Maxitrol R400S-1/2 Gas Pressure Regulator

Maxitrol R400S-1/2 Gas Pressure Regulator delivers precise gas pressure control for burners, pilot lines, infrared heaters, and related equipment. This unit features a double diaphragm balanced valve design to maintain stable outlet pressure across varying load conditions.

With a nominal 1/2 inch size and an aluminum body, the regulator offers durable construction and easy fitment via female threaded x female threaded end connections, plus a compact 2 inch end-to-end distance. It operates across -40 to 250°F and is built to handle natural gas, mixed gas, LPG and LP gas air mixtures.

Key performance specs include a 5 PSI inlet pressure and a 12.5 PSI emergency exposure limit, ensuring safe operation in residential and commercial installations. The regulator complies with UL, CSA (Canada and US), CE, and ANSI Z21.18 standards, reflecting broad compatibility with common gas systems.

Designed for burner and pilot load applications, including infrared heater and pilot line setups, this regulator combines reliability with straightforward installation. Its compact footprint and robust aluminum body make it a strong choice for demanding gas-control needs.

• Design: Double Diaphragm Balanced Valve
• Size & Connections: Nominal 1/2 inch, female threaded x female threaded
• Materials: Aluminum body
• Ratings: Inlet 5 PSI; Emergency exposure limit 12.5 PSI
• Gas Types: Natural, Mixed Gas, LPG and LP Gas Air Mixture
• Standards: UL, CSA, CE, ANSI Z21.18