Maxitrol R400S-3/8 Gas Pressure Regulator

Maxitrol 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 natural gas, mixed gas, LPG and LP gas air mixtures. The regulator powers burners, pilots, and infrared heaters, along with associated pilot lines, while meeting stringent safety and quality standards.

Designed to meet multiple standards, it is UL, CSA (Canada and US), CE, and ANSI Z21.18 compliant, delivering dependable performance in commercial and residential installations.

Compact dimensions and connections include end-to-end distance of 2 inches, width 2 inches, height 3.3 inches, vent pipe connection 1/8 inch threaded, and a swing radius of 2.4 inches.

• Stable pressure regulation with double diaphragm balanced valve for burner and pilot loads
• Versatile gas compatibility supports natural gas, mixed gas, LPG, and LP gas air mixtures
• Robust construction aluminum body and durable end connections
• Safety & compliance UL, CSA, CE, ANSI Z21.18 certified
• Compact footprint suitable for tight installations with precise venting