Carrier 51531B Kit 322838-752 This is the specific pressure

This is the specific pressure threshold at which the switch activates

When troubleshooting Burnham series 2 boiler gas valves

25-inch flat shaft

While this unit operates on a standard 3-12 psi range

High Flow Efficiency: A 5 Cv rating ensures minimal pressure drop across the 3/4 inch NPT ports for optimal system performance

Carrier 51531B Kit 322838-752 This is the specific pressureThe Carrier 51531B Kit is a specialized oil burner ignition transformer and control assembly engineered for high performance combustion cycles. Operating at 120V primary input, this unit generates a consistent 14KV secondary output at 30mA, facilitating reliable arc stabilization in demanding environments. Designed with a midpoint ground configuration, this transformer ensures balanced electrical stress across the secondary windings, effectively