Maxitrol R400S-1/2 Gas Pressure RegulatorMaxitrol 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

ensuring long-term performance even in demanding environments

It is UL (Canada and US) and CSA approved and ships excluding the baseplate

Supply pressure: 13–25 PSIG

Inlet pressure: 1/2 psi

Designed to fit compatible Heil Quaker and ICP furnaces

Built to endure high temperatures

Open Damper

Differential: 9–36°F

The compact unit measures about 1

and temperature fluctuations—key for demanding environments

Normally closed design with manual override lever

5 Cv flow rating and a rugged terminal block connection