Best Maxwell's in 2026

Commercial quality Oxygen - Hydrogen Flashback Arrestor w/internal check valve & porous metal shield. Rated at 116 liters per minute, or 7000 liters per hour. Maximum working pressure is 140 psi (10 bar).

All brass heavy duty housing. Fits 1/4 ID hose.

For best results minimum operating pressure 2 PSI

Premium Quality Acetylene or Propane & Oxygen Jeweler's Mini Torch Kit with Regulators, hoses and Flashback Arrestors. Five Tips. Fits BBQ style propane tank, larger Acetylene tank, or smaller MC acetylene tanks, and most oxygen refillable tanks.

Gauges are 2 inch. One regulator is an acetylene or propane regulator with a CGA 510 nut, plus includes an adapter that reduces to a CGA 200 nut for MC acetylene tanks. The second regulator is an oxygen regulator that will fit common refillable oxygen tanks. CGA 540

Arrestors are manufactured in an ISO 9001 certified factory and have an internal flashback shield in combination with a check valve for maximum protection from a possible flashback.

Bronze body construction ensures durability and long life

Designed for minimum head loss

The bonnet is made of engineered thermoplastic and protects valve body from costly freeze damage

★ Lead-free Brass,meets California AB-1953, Vermont, and new federal standards for low lead applications. Can gurantee your family health and safe on potable and non-potable water.Applicable in residential and commercial usage.

★ Inlet 3/8" OD female COMP x 3/8" OD COMP outlet x 3/8" OD COMP outlet . Angle stop add-a Tee-type is fit your Toilets, Sinks, Washing Machine, Water Heater, Dishwasher, Stop Valves, second faucet and Supply Lines.This Supply Line Add On Tee Fitting is Great for Splitting Your Water Supply to Separate Pathways.

★ Resists corrosion and mineral buildup, rust, and freeze damage.Have a longer using life than iron and iron galvanized products.Litorange Brass for corrosion resistance, high temperature ductility and low magnetic permeability.

Coupling for connecting two pipes with the same diameter in a straight run

Female National Pipe Taper (NPT) threads for connecting to male threaded pipes

Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability

Flashback arrestor set has internal check valves for both oxygen and acetylene

Standard -InchB-Inch fittings for 9/16 -18 threads,B size.

Attach at the regulator.

Equipped with a 1/2 inch Crimp PEX inlet and 1/4 inch OD compression outlet connections

The Snap-on faceplate dimensions are 6-1/2 inch x 5 inch; The rough opening is 5 inch x 3-1/2 inch x 2-3/4 inch

The box with one-piece box-and-flange design, no additional support framing required

For Oxygen Pumps Only: Great 1-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak.

Small & Light: Size: 2.1" L x 0.55" W; Diameter of air holes: 0.12"; Weight: 0.1 oz. Standard ID airline tubing: 3/16". Add little weight to your hose for smooth airflow.

Ideal Pump Protectors: Prevent backflow of water through the tubing during a power outage or pump pause. Essential accessories for basic aeration setup in your fish tanks.

For Oxygen Pumps Only: Great 1-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak.

Small & Light: Size: 2.1" L x 0.55" W; Diameter of air holes: 0.12"; Weight: 0.1 oz. Standard ID airline tubing: 3/16". Add little weight to your hose for smooth airflow.

Ideal Pump Protectors: Prevent backflow of water through the tubing during a power outage or pump pause. Essential accessories for basic aeration setup in your fish tanks.

No lead brass construction

1 in. x 1 in. female NPT

Prevents backflow in well or irrigation systems

Tee – Full slip tee sweats in-line on 1/2" CTS near problem valve or fixture

Tee – Hose tee arresters install on washing machine supply valves or directly to washing machine

Arrester body: 304 stainless steel - Piston: polypropylene with two EPDM o-rings - Tee body: UNS C36000 machined brass

Compact air admittance valve with PVC adapter

Ideal for a single fixture or group of fixtures; capacity of 160 DFUs (drain fixture units) on a branch and 24 DFUs on a stack

Creates ventilation that prevents the loss of water seals in traps; uses gravity to automatically close seal and prevent circulation of unpleasant bathroom or drain odors

Will fit any 1-1/4-inch or 1-1/2-inch NPT male or female thread

Made from durable ABS plastic

High quality Nitril-Bruna N seal

Material: Made of aluminum alloy check valve,304 stainless steel spring,NBR rubber gasket and O-ring.

Size: 1/4inch (6mm) OD check valve can be work with 1/4 inch ID fuel hose.

Parameter: Min upstream pressure:0.2bar(2.9psi),working pressure range: 0.2-6bar (2.9-87psi),operating temperature range: -22℉ to 266℉.

Can be used as a tank check valve for small compressors or as a component in pneumatic circuits

Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability

Fluorocarbon O-rings for higher temperature and chemical resistance

【Lead Free Brass】: Heath and environment friendly material. Lead free brass for both potable and non-potable water. 3/8" compression inlet x 3/8" compression outlet x 3/8" compression outlet.

【Wildely Used】: Angle stop add-a-tee for adding an outlet on a angle stop valve for a refrigerator, ice maker, water filtration system, dishwasher, second faucet, etc.

【Durable】: Brass for corrosion resistance, high temperature ductility and low magnetic permeability, have a longer using life than iron and iron galvanized products.

Lifetime cycle tested at U.S. Testing laboratories to withstand 10,000 shock cycles. Factory tested to withstand 500,000 cycles without failure (654-c tested)

Hydra-Rester male sweat fittings are compatible with press-fitting systems, such as viega process and all push-fitting systems

Allows for installation in 2 × 4 wall cavity

Schedule 40 PVC construction for strength and resistance to corrosion and mild chemicals

EPDM seal for resistance to water and oils

Maximum pressure rating of 150 psi

Upgraded stainless spring & pin make STRONGER spring tension

Improved chlorine-resistant and corrosion-resistant fabrication on flapper and rubber seal

Enhanced cover construction to be anti-crack and sturdy

Tee fitting for connecting and branching pipes in a range of fluid transfer applications

1/2" female NPT threads on each end for connecting pipes with male-threaded ends

CA360 brass for strength and resistance to corrosion

Function: the check valves are applicable for fluid systems to prevent countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air

Material and size: the one way check valves are made of PVDF, sturdy, wear-resistant and durable for long-term use; Each check valve measures 6.3 mm/ 1/4 inches, the total length is 38 mm/ 1.50 inches

Features: the pipe port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic, with good airtightness and good adsorption performance

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Clear PVC for corrosion resistance, high strength, and less weight than fittings made from metal

Full flow design for insignificant flow loss at swing check

Slip connection for easy attachment

Material: this check valve is made of ABS plastic, and the internal valve core is made of silicone, ABS plastic has high hardness, good heat resistance and corrosion resistance, strong resistance to acids and alkalis, and is resistant to organic solvents to some extent

Suitable size: you will get 6 no-return check valves with a size of 3/8 inch, which is 1.61 inches long, enough quantity to meet your use of check valves in different situations to prevent fluid backflow

Function introduction: 3/8 check valve is applied in fluid system to prevent fluid backflow, or applied in pneumatic system to prevent compressed air backflow; This check valve can be applied in the temperature range of -20 degrees Celsius to 70 degrees Celsius

For Oxygen Pumps Only: Great 1-way check valves for most common aquarium air pumps. DO NOT use them in CO2 or other high-pressure systems to avoid cracking or leakage.

Small & Light: Size: 1.66" L x 0.5" W; Diameter of air holes: 0.12"; Weight: 0.07 oz. Standard ID airline tubing: 3/16". Add little weight to your hose for smooth airflow.

Ideal Pump Protectors: Effectively prevent water backflow during a power outage or pause of the pump. Ideally protect your pump and reduce your loss when you’re at work or on vacation.

Material ※ The shell material is ABS resin, and the Diaphragm material is silicon rubber

Performance※ Normal performance under 25 ℃ to 60 ℃,Strong resistance to acid, alkali, salt corrosion ability

Application ※Check valve is used in fluid system to prevent reverse flow fluid, or used in pneumatic system to prevent reverse flow of compressed air

Top-mounted test cocks allow for easy installation

EZSwap pressure vessel reduces repair time and costs

Flush Tool (FLUSH) provides easy line flushing, saving up to 15 minutes per installation

UNIVERSAL FIT: Features Standard FIP COMP x MIP COMP x MIP COMP Connections to Fit Your Toilets, Sinks, Washing Machine, Water Heater, Dishwasher, Stop Valves, and Supply Lines.

SPLIT YOUR WATER SUPPLY: This Supply Line Add On Tee Fitting is Great for Splitting Your Water Supply to Separate Pathways. For Example, This Will Allow You To Hook On Your Icemaker Supply Line to Your Kitchen Sink Supply in Minutes! Easy, Cheap, and Safe Solution.

SUPERIOR QUALITY: One-Piece Solid Brass Body Provides Strength, Durability, Performance, and Corrosion Resistance

Several configuration options ease installation and repairs

Horizontal or vertical installation reduces installation time and associated costs

Comes standard with a union inlet connection and integral body outlet connection