Maxitrol MR610-3/4 Valve 30067439-890 often cross-referenced as 21-750 or

often cross-referenced as 21-750 or K-1701-2

reducing the need for external transformers

OEM direct replacement for VAL1845 ensures exact fit and reduces labor time

The H15DQ-2 is technically identical to the H15DQ-2C

this is the Reznor 101052 housing unit only

Maxitrol MR610-3/4 Valve 30067439-890 often cross-referenced as 21-750 orThe Maxitrol MR610 3 4 is a 3 4" NPT modulating gas valve and integrated regulator designed for atmospheric burners and indirect fired systems. Engineered for the Maxitrol Selectra Series 20 and 21, this valve executes a dual function, managing both precise modulation and pressure regulation without the need for an external mechanical actuator. It supports a maximum inlet pressure of 1 2 PSI and is critical for applications requiring stable, non