it manages point-of-use pressure monitoring for liquid and gaseous media with extreme accuracy

this Type S coupler flange features a 1-1/4 inch finished bore with a standard 1/4" x 1/8" keyway

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

Key Benefits OEM Compatibility: Precision-engineered for a seamless Lennox 18K77 cross reference with original equipment specifications

Maxitrol MR212D-1010 Valve Refrigerant it manages point-of-use pressure monitoringFor 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,