The VB-3966-1 is specifically rated for hot and cold water service

This controller is rated for 1/2 HP at 120 VAC and 1 HP at 240 VAC

If the compressor fails to start while the contactor is engaged and there is power at the terminals

This 24V zone valve actuator is engineered for precise on/off control in HVAC systems

Fenwal 35-615526-227 Control Refrigerant The VB-3966-1 is specifically ratedThe Fenwal 35 615526 227 is a microprocessor based 24V Direct Spark Ignition (DSI) control engineered for precision flame supervision in gas fired equipment. This specialized ignition module features a 3 try ignition sequence to ensure reliable burner start up in demanding environments. Designed with a 15 second Trial for Ignition (TFI) and a 30 second pre purge, it optimizes combustion safety by clearing the combustion chamber before the sparking