a functioning relay will show a momentary amp draw that drops to zero as the compressor reaches speed

providing a more robust overhead for inductive inrush currents

High-Duty Electrical Ratings: Supports 120V and 240V configurations for versatile application in various control boards

Maintains System Pressure: Ensures the pressure switch receives accurate vacuum signals for reliable inducer motor operation

What size pilot tubing is required

Maxitrol M420B-1/2 Valve Freon a functioning relay will showThe 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