Maxitrol R400S-3/8 Gas Pressure RegulatorMaxitrol R400S 3 8 Gas Pressure Regulator is a high performance gas regulator featuring a double diaphragm balanced valve for stable, precise pressure control on burner and pilot loads. This 3 8 inch nominal size unit uses female threaded x female threaded end connections and a rugged aluminum body, with a wide operating range from 40 to 250 deg F. Inlet pressure is rated at 5 PSI with a 12. 5 PSI emergency exposure limit, making it suitable for

the spring features an inner diameter of 1-7/8 inches and a length of 5-7/8 inches

This low-pressure relief valve features a bronze body

consistent blower performance

Ed510 interface for seamless Ed510 control-network integration

delivering dependable spark energy for furnace ignition and boiler operation

8-inch double-acting pneumatic valve actuator for robust actuation

this rebuild kit supports leak-free sealing and smooth actuation across compatible valve models

This valve body is an excellent choice for reliable heating and cooling control in commercial and residential systems

and FM standards

this programmable thermostat makes HVAC control simple and accessible

Designed for Residential/Commercial applications

efficient operation in varied furnace configurations