Featuring a 2" ASME four hole flange and a rugged cast iron body

Durable Construction: Engineered to withstand the acidic nature of furnace condensate and the thermal cycles of high-efficiency gas heating

it provides high drying capacity while maintaining a low pressure drop

or are performing a clean-up after a burnout

Maxitrol MR212D-1010 Valve Refrigerant Featuring a 2" ASME fourFor veteran HVAC contractors managing direct fired burner systems, the Maxitrol MR212D 1010 is the specific 1 1 4" NPT modulating gas valve designed for negative pressure applications. Engineered to handle a maximum inlet pressure of 5 PSI, this component functions as both a modulator and a high performance gas pressure regulator, eliminating the need for a separate upstream regulator in most configurations. It is identical to the MR212D 1 1 4,