Does this part require a separate power source

If your system is experiencing short-cycling

The SPDT (Single Pole Double Throw) contact allows the switch to simultaneously break a circuit to a burner while providing a signal to an alarm or BMS when air pressure drops below the setpoint

the Watts 500TO delivers a high-flow capacity of up to 31 GPM at 100 PSI

facilitating stable ignition and clean burning within your HVAC unit heater

BASO H17AB-2 Gas Valve Els PW 29614 Does this part require aThe BASO H17AB 2 Gas Valve is a specialized automatic shut off pilot gas valve engineered for critical safety in standing pilot applications. Designed to handle both Natural Gas and Liquid Propane (LP), this 1 8" NPT valve is rated for low pressure systems up to 0. 5 PSI. A key technical feature is the integrated 1 8" 27 NPT pilot tap located over the outlet, facilitating precise pilot gas delivery. This model is built for high performance