Maxitrol KMR212D-2 Control Head Kit Refrigerant the MA40-7040-501 variation typically includes

the MA40-7040-501 variation typically includes a built-in SPDT auxiliary switch

90" WC setpoint ensures reliable furnace and boiler safety circuit operation without the need for field adjustment

Common Questions: Does this thermostat require a common wire

but terminal adjustment of the manifold pressure must be performed while the heater is firing using a calibrated manometer

Maxitrol KMR212D-2 Control Head Kit Refrigerant the MA40-7040-501 variation typically includesAs a veteran technician, you know that maintaining the integrity of Maxitrol Selectra systems requires precise components that handle both modulation and pressure regulation without mechanical lag. The Maxitrol KMR212D 2 Control Head Kit is the professional grade solution for servicing MR212D series modulating valves. This 3 way control head is engineered to provide infinite, non fluctuating temperature control by managing fluid flow through the