PickSmartly Buying Guide

Best Rinnai Range Accessories in 2026

5.1 PM Score
Products Compared
8
Brands Ranked
1
Our guides are compiled from product information and customer ratings. If you click on links we provide, we may receive compensation.

Owning a high-performance Rinnai appliance means you are invested in efficiency, reliability, and precision temperature control. However, the true potential of your unit is often unlocked not by the main appliance itself, but by the ecosystem of accessories designed to support it. Whether you are looking to enhance the safety of your gas installation, improve the longevity of your water heating system, or add convenience to your cooking setup, selecting the correct peripheral components is vital. Because Rinnai systems are engineered with specific tolerances and communication protocols, choosing compatible, high-quality accessories is the difference between a seamless experience and a costly maintenance headache.

Editor's Choice

Our Top Picks for Rinnai Range Accessories

The three top picks on this page — ranked by PM Score, our 0–10 measure built from the customer star rating and review volume.

Rinnai EX17DTP Direct Vent Wall Furnace, Indoor Propane Heater, Energy Efficient Space Heater, 16,700 BTU, Beige

Rinnai EX17DTP Direct Vent Propane Wall Furnace

RINNAI EX17 10.10 X 29.90 X 22.90 Inches 67.00 Pounds

PM Score for RINNAI (PM Score)

5.1 PM Score
Buy on Amazon
  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F
  • Safe Settings: Our wall heaters for indoor use feature a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater. We do not recommend installing a heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home. Check our Heat Zone Map to see if this heater is optimal for your region
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Investing over fifteen hundred dollars in a wall heater usually feels like a gamble until you see the engineering under the hood. The Rinnai EX17DTP isn't just a basic space heater. It’s a sophisticated heating solution that utilizes stainless steel Bunsen burners and a 7-stage modulating gas valve to maintain precise temperatures. I was particularly impressed by the focus on safety, featuring a cool-to-the-touch cabinet and self-diagnostic electronics that monitor everything from ignition to combustion. It manages airflow effectively through bottom front louvers and even includes an enameled tray humidifier to keep the air from getting too dry. While the professional installation requirement is a necessary hurdle for a gas appliance, the peace of mind provided by the built-in child lock and automatic shutdown codes makes it a standout choice for home comfort.

What We Like
Stainless steel burners
7-stage modulating valve
Enameled tray humidifier
Electronic spark ignition
Self-diagnostic electronics

Rinnai EX08DTN Direct Vent Wall Furnace, Indoor Natural Gas Heater, Energy Efficient Space Heater, 8,000 BTU, Beige

Rinnai 8,000 BTU Direct Vent Wall Furnace

RINNAI EX08 10.10 X 18.10 X 27.40 Inches 53.00 Pounds

PM Score for RINNAI (PM Score)

5.1 PM Score
Buy on Amazon
  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F
  • Safe Settings: Our wall heaters for indoor use feature a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater. We do not recommend installing a heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home. Check our Heat Zone Map to see if this heater is optimal for your region
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners struggling with cold spots in smaller rooms or supplemental heating needs will find the Rinnai EX08DTN to be a sophisticated, reliable solution. This isn't your standard bulky heater. It's a sleek, beige unit that utilizes stainless steel Bunsen burners and forced combustion to deliver consistent warmth. I was particularly impressed by the smart design, which includes a 7-stage modulating gas valve and an electronic thermostat to maintain a precise temperature between 60 and 80°F. Safety is clearly a priority here, as the cabinet stays cool to the touch and the self-diagnostic electronics monitor everything from ignition to combustion. While the professional installation requirement is a vital step to ensure everything runs correctly, the peace of mind provided by the child lock and automatic shutdown features makes it a premium choice for indoor comfort.

What We Like
Stainless steel burners
7-stage modulating valve
Electronic thermostat
Cool-to-touch cabinet
Built-in humidifier

Rinnai EX08CTN Space Heater Wall Furnace, Direct Vent, Natural Gas (8K BTU)

Rinnai Direct Vent Natural Gas Wall Furnace

RINNAI EX08CTN 21.00 X 17.00 X 31.00 Inches 3.00 pounds

PM Score for RINNAI (PM Score)

5.0 PM Score
Buy on Amazon
  • Indoor Heater: Direct vent wall furnace has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Energy efficient furnace includes an electronic spark ignition, a seven-stage modulating gas valve, timer settings, a variable speed inducer motor with pressure switch, and an electronic thermostat with a range of 60°F to 80°F
  • Safe Settings: Electric heater features a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically when ignition or combustion fails
  • Gas furnace: For homes, apartments, condominiums, and commercial settings. The heater is modular/mobile home approved
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
eFaucets 9.47 No No No

Small-space living requires high-efficiency heating solutions that don't eat up valuable floor area, making this Rinnai wall furnace an absolute essential for apartments or modular homes. I found the combination of stainless steel Bunsen burners and a seven-stage modulating gas valve to be a game-changer for maintaining steady, consistent warmth without the constant cycling of cheaper units. The forced combustion system pushes air through bottom front louvers for effective convection, while the integrated enameled tray humidifier helps combat the dry air often caused by gas heating. Safety is clearly a priority here. The self-diagnostic electronics and child lock provide peace of mind by monitoring combustion and offering auto-shutdown codes if something goes wrong. It is a sophisticated, space-saving powerhouse for any compact residential or commercial setting.

What We Like
Stainless steel burners
Seven-stage modulating valve
Enameled tray humidifier
Electronic spark ignition
Self-diagnostic electronics

Rinnai EX17DTN Direct Vent Wall Furnace, Indoor Natural Gas Heater, Energy Efficient Space Heater, 16,700 BTU, Beige

Rinnai Direct Vent Natural Gas Wall Furnace

RINNAI EX17 10.10 X 29.90 X 22.90 Inches 67.00 Pounds

PM Score for RINNAI (PM Score)

4.1 PM Score
Buy on Amazon
  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F
  • Safe Settings: Our wall heaters for indoor use feature a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater. We do not recommend installing a heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home. Check our Heat Zone Map to see if this heater is optimal for your region
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most people assume a space heater is just a temporary fix for a cold room, but this Rinnai wall furnace operates more like a permanent, high-performance heating system. It packs a serious 16,700 BTU punch using stainless steel Bunsen burners and a 7-stage modulating gas valve to keep temperatures steady without wasting fuel. I was particularly impressed by the thoughtful safety engineering, specifically the cool-to-the-touch cabinet and the self-diagnostic electronics that monitor combustion in real-time. It even includes an enameled tray humidifier to combat dry air, which is a rare touch for these units. While you definitely need a professional technician for the installation, the combination of a variable speed inducer motor and an electronic thermostat makes it a sophisticated choice for efficient indoor warmth.

What We Like
Stainless steel burners
7-stage modulating valve
Enameled tray humidifier
Electronic spark ignition
Self-diagnostic electronics

Rinnai EX22DTN Direct Vent Wall Furnace, Indoor Natural Gas Heater, Energy Efficient Space Heater, 21,500 BTU, Beige

Rinnai Direct Vent Natural Gas Wall Furnace

RINNAI EX22 10.10 X 29.90 X 22.90 Inches 67.00 Pounds

PM Score for RINNAI (PM Score)

2.1 PM Score
Buy on Amazon
  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F
  • Safe Settings: Our wall heaters for indoor use feature a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater. We do not recommend installing a heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home. Check our Heat Zone Map to see if this heater is optimal for your region
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Rinnai EX22DTN Direct Vent Wall Furnace delivers impressive thermal precision through its advanced 7-stage modulating gas valve. This isn't your standard space heater. It is a sophisticated indoor heating solution that utilizes stainless steel Bunsen burners and forced convection to maintain steady warmth. I was particularly impressed by the safety-first engineering, specifically the cool-to-the-touch cabinet and the self-diagnostic electronics that monitor combustion in real-time. The inclusion of an enameled tray humidifier helps mitigate the dryness often associated with gas heating, making the air feel much more natural. While the unit requires professional installation to ensure the direct vent system is set up correctly, the combination of an electronic thermostat and a variable speed inducer motor makes it a highly efficient choice for targeted room heating.

What We Like
7-stage modulating valve
Stainless steel burners
Enameled tray humidifier
Electronic spark ignition
Self-diagnostic electronics

Rinnai EX38DTWN Direct Vent Wall Furnace, Indoor Natural Gas Heater, Energy Efficient Space Heater, 38,000 BTU, White

Rinnai 38,000 BTU Direct Vent Wall Furnace

RINNAI EX38DTWN 12.10 X 36.63 X 26.40 Inches 108.00 Pounds

PM Score for RINNAI (PM Score)

0.0 PM Score
Buy on Amazon
  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F
  • Safe Settings: Our wall heaters for indoor use feature a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater. We do not recommend installing a heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home. Check our Heat Zone Map to see if this heater is optimal for your region
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A drafty basement workshop or a detached garage becomes a productive sanctuary once this Rinnai wall furnace takes over the heating duties. Instead of relying on bulky, inefficient portable units, this direct vent system utilizes stainless steel Bunsen burners and a 7-stage modulating gas valve to maintain a steady, comfortable climate. I was particularly impressed by the smart logic baked into the electronics. The self-diagnostic system monitors combustion constantly and can even trigger an automatic restart if it detects an ignition hiccup. The inclusion of an enameled tray humidifier is a thoughtful touch for indoor air quality, while the cool-to-the-touch cabinet design makes it much safer for households with active children. It is a high-performance, permanent heating solution that prioritizes both precision and safety.

What We Like
Stainless steel burners
7-stage modulating valve
Enameled tray humidifier
Electronic thermostat control
Self-diagnostic electronics

Rinnai EX38DTN Direct Vent Wall Furnace, Indoor Natural Gas Heater, Energy Efficient Space Heater, 38,400 BTU, Beige

Rinnai Direct Vent Natural Gas Wall Furnace

RINNAI EX38DTN 12.10 X 36.63 X 26.40 Inches 108.00 Pounds

PM Score for RINNAI (PM Score)

0.0 PM Score
Buy on Amazon
  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F
  • Safe Settings: Our wall heaters for indoor use feature a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater. We do not recommend installing a heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home. Check our Heat Zone Map to see if this heater is optimal for your region
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The gentle hum of the variable speed inducer motor is the first thing you'll notice, signaling a quiet transition into a cozy, heated space. This Rinnai wall furnace is a powerhouse for supplemental heating, utilizing 38,400 BTUs and stainless steel Bunsen burners to deliver consistent warmth. I was particularly impressed by the smart modulation. The 7-stage gas valve and electronic thermostat allow for precise temperature control between 60 and 80°F. Safety is clearly a priority here, with a cool-to-the-touch cabinet and self-diagnostic electronics that monitor everything from ignition to combustion. While the professional installation requirement is a necessary step for such a robust unit, the inclusion of an enameled tray humidifier and a child lock makes it a thoughtful, high-end addition to any room.

What We Like
Stainless steel burners
7-stage modulating valve
Enameled tray humidifier
Electronic spark ignition
Self-diagnostic electronics

Rinnai EX22DTP Direct Vent Wall Furnace, Indoor Propane Heater, Energy Efficient Space Heater, 21,700 BTU, Beige

Rinnai Direct Vent Propane Wall Furnace

RINNAI EX22 10.10 X 29.90 X 22.90 Inches 67.00 Pounds

PM Score for RINNAI (PM Score)

0.0 PM Score
Buy on Amazon
  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F
  • Safe Settings: Our wall heaters for indoor use feature a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater. We do not recommend installing a heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home. Check our Heat Zone Map to see if this heater is optimal for your region
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most homeowners settle for bulky, inefficient floor heaters that eat up living space, but the Rinnai EX22DTP offers a sophisticated, wall-mounted alternative. This 21,700 BTU unit feels like a premium upgrade for any room needing dedicated warmth. I was particularly impressed by the thoughtful engineering, such as the stainless steel Bunsen burners and the built-in enameled tray humidifier that helps combat dry indoor air. It operates intelligently via a 7-stage modulating gas valve and an electronic thermostat, meaning it doesn't just blast heat. It manages it. Safety is clearly a priority here too, with a cool-to-the-touch cabinet and self-diagnostic electronics that monitor everything from ignition to combustion. While you'll definitely want a professional technician to handle the installation, the resulting comfort is well worth the effort.

What We Like
Stainless steel burners
Built-in humidifier
7-stage modulating valve
Electronic thermostat
Child lock safety
Buying Guide

A Guide to Selecting the Best Rinnai Range Accessories

A Guide to Selecting the Best Rinnai Range Accessories

Prioritize System Compatibility

The most critical factor when shopping for Rinnai accessories is strict compatibility. Unlike generic household items, Rinnai components—ranging from flue kits and venting systems to specialized control valves and mounting brackets—are engineered to work within a closed loop of specifications. When selecting an accessory, you must ensure it is designed for your specific fuel type (natural gas vs. LPG) and the specific capacity of your unit. Using an accessory intended for a different BTU output or gas pressure can lead to inefficient combustion, improper venting, or even system failure. Always verify that the accessory is rated for the specific installation environment you are working in, such as indoor versus outdoor placement.

Focus on Installation Requirements

Many Rinnai accessories are functional rather than aesthetic, meaning their value lies in how they facilitate a safe and code-compliant installation. For water heating accessories, look for high-grade expansion tanks and pressure relief valves that match the thermal expansion characteristics of your system. For cooking accessories, consider how the component affects the ergonomics of your kitchen layout. If you are purchasing venting or flue components, pay close attention to the material quality. Corrosion resistance is paramount, especially in humid environments or coastal areas. A well-chosen accessory should simplify the installation process for a professional while ensuring the long-term stability of the primary unit.

Consider Longevity and Material Quality

Since Rinnai products are often chosen for their durability, it is counterproductive to pair them with low-quality, third-party accessories. When evaluating options, look for components made from high-grade stainless steel, heavy-duty brass, or heat-resistant polymers. For accessories that deal with high temperatures or high water pressure, material fatigue is a real concern. Investing a bit more in a premium mounting kit or a high-quality control interface will prevent the need for frequent replacements and ensure that your appliance continues to operate at its peak efficiency for years to come.

Safety and Regulatory Compliance

Because many Rinnai accessories involve gas lines, water pressure, or electrical interfaces, safety is the ultimate decision driver. Never compromise on accessories that serve a protective function. Look for components that meet or exceed local building codes and safety standards. For example, when selecting gas connection kits or vent extensions, ensure they are designed to prevent leaks and manage exhaust gases effectively. The best accessories are those that act as a silent safeguard, providing peace of mind through rigorous engineering and tested reliability.

Decision Logic: The Right Choice for Your Setup

To make the final decision, follow this hierarchy: First, confirm compatibility with your existing unit's specifications. Second, evaluate the material quality against your local environment (e.g., salt air vs. dry climate). Third, weigh the cost of the accessory against the potential cost of a system malfunction. If an accessory is essential for the safe operation of your Rinnai range, always opt for the manufacturer-recommended component over a generic alternative.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Rinnai Range Accessories before you buy.

For a standard setup, you should prioritize high-quality gas connectors, pressure regulators, and specialized venting kits designed to meet the specific airflow requirements of your unit.

While some basic fittings are universal, we strongly recommend using manufacturer-specific accessories to ensure optimal gas pressure, prevent leaks, and maintain your product warranty.

Yes. Tankless units require precise venting to manage combustion gases safely. Always match the vent diameter and material to your specific model's technical specifications.

Absolutely. An external digital controller allows you to adjust temperature settings and monitor system status from a distance, providing much greater convenience than the unit's built-in interface.

Yes, for outdoor installations, specialized insulated covers and freeze-protection kits are vital to prevent pipe bursts and component damage during extreme winter temperatures.

Compatibility is determined by the gas type (natural vs. propane) and the BTU rating of your unit. Always verify that your regulators and connectors are rated for the specific output of your Rinnai model.

In many cases, yes. You can often add remote controllers, improved filtration systems, or upgraded venting to an existing setup, provided the core unit supports these additions.
Rankings & Insights

Our Rinnai Range Accessories Rankings

8 Products Compared
2.7 Avg PM Score
1 Brands Ranked

Top 10 Rinnai Range Accessories Brands on Amazon

Share of top-ranked products by brand, from our rankings.

  1. 01 Rinnai 8 (100%)

How We Selected These Products

We compared Rinnai Range Accessories products using product details and customer ratings to identify the best options in the parts & accessories..

From that comparison we shortlisted the top 8 Rinnai Range Accessories for this page..

We aim to help you find the right accessories products for your needs and save you time when choosing which Rinnai Range Accessories to buy.