5" WC (water column) to ensure accurate detection of vacuum or pressure drops

quiet operation necessary for a high-quality system repair

it ensures critical system protection by maintaining a factory-set relief pressure of 40 psi

Contractors should reuse existing mounting hardware or verify if specific field-supplied brackets are required for the heater frame

Maxon 125SMA11AA11BB21A0 Gas Valve R-410A 5" WC (water column) toThe Maxon 125SMA11AA11BB21A0 is a heavy duty, 1 1 4" industrial gas shut off valve designed for high reliability combustion systems. This electromechanical safety valve features a robust cast iron body and a 2 way, normally closed configuration, ensuring instantaneous fuel shut off in less than one second upon power interruption. Engineered with Buna N body O rings and bumpers, the 125SMA series is optimized for general purpose gas service, providing