Best 3 Valve Parts in 2026

Twinkle Star 3/4 Inch Isolation Kit involves hot and cold valves 500WOG with 1/4 red and blue handles for easy identification and use. Integrated drain valve with brass safety cap for easily maintenance. Equipped with full port ball valve for better flow rate.

Superior Integrated Design: This complete kit made from lead free heavy duty brass for years of usage. One-piece forged brass body effectively prevents any leakage or dripping. The main isolation valve set is factory tested to be leak-free so that your heater can be maintained periodically during each flushing sequence.

Certification: The components are certified lead free. You will also find CSA certifications on the water flex and the gas flex as a proof of their authenticity. Meets all federal & state standards for lead levels in drinking water system components.

【Product Features】3/4 inch IPS isolation tankless water heater service valve kit includes hot and cold isolation valves(600 WOG) and pressure relief valve (150 psi/200K BTU). Colored valve handles for easy identification and use of hot and cold valves. Integrated drain valve with brass safety cap providing easy maintenance. Full port ball valve for better flow rate.

【Widely Use】: The 3/4 inch size tankless kit is suitable for most American residential use, including domestic and commercial tankless gas water heater brands such as Rheem,Rinai, Ecosmart,Navien,Noritz,Takagi,Bosch and so on.

【LEAD FREE Certification】: The components are certified lead free. Meets all federal & state standards for lead levels in drinking water system components. You can also find the CSA certification on the pressure relief valve to prove its authenticity.

◼️ TOP QUALITY: This complete kit includes all components that are crafted from high quality materials for years of usage. The main isolation valve set is factory tested to be leak free so you can be confident that your heater can be maintained periodically during each flushing sequence.

◼️ COMPATIBILITY: Works with all 3/4" lines propane and natural gas tankless water heater brands such as Rinnai, Noritz, Rheem, Takagi, Navien and many more.

◼️ COMPLETE SET: This kit was put together by field technicians and plumbers and field tested by the same group, so you can feel confident that the components work as they should in many years of usage. The kit comes in high quality isolation valve service kit with full flow gas line, water lines, and fittings.

Thermocouple Kit - 18 In

11/13-Inch Od Valve End

18 Inch

Guardian Gas Valve

Natural Gas

Replacement Parts

For best results, use only Rheem replacement parts for repairing your Rheem Water Heater

Overall Length (in.): 24, Capillary Tube Length (in.): 22, Bulb Length (in.): 2-1/8

Bulb Diameter (in.): 3/16, Gas Valve End Fitting O.D. (in.): 11/32-32NS