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keeping your 1" Spence regulator within OEM performance specs
protecting the unit from short-circuiting or staging errors
This HVAC replacement part is built for technicians who require a reliable 4-way reversing valve that withstands high-pressure differentials and facilitates rapid temperature regulation in multi-season environments
It comes equipped with a 24V solenoid coil (50/60Hz)
It serves as the official replacement for 032F1162 with identical 1/2" ODF fitting dimensions
Maxitrol M420B-1/2 Valve R-410A keeping your 1" Spence regulatorThe Maxitrol M420B 1 2 is a professional grade modulating gas valve engineered for atmospheric burners and indirect fired heating systems. Designed specifically for integration with the Maxitrol Selectra Series 94 and A200 electronic modulation systems, this 1 2" NPT valve provides precise, infinite flame adjustment to maintain tight temperature tolerances. The "B" designation indicates that both sides are fitted for low fire adjustment, allowing
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