If the pressure is correct but the switch stays open

5 uF at 370V capacitor for proper starting torque and run efficiency

using non-specified controls can compromise system safety and functionality

providing stable performance even in fluctuating ambient temperatures

providing precise differential air pressure detection to ensure the combustion blower is moving sufficient air for safe burner operation

Lochinvar & A.O. Smith 100169458 Switch L99H008 If the pressure is correctThe Lochinvar & A. O. Smith 100169458 Switch is a critical Main Power Switch for high efficiency commercial and residential water heaters and boilers. Also identified as the Lochinvar SWT1000, this rocker style On Off Power Switch is a direct factory authorized replacement component designed to restore line voltage connectivity to the integrated control module. As a veteran technician, you know that a failure in the boiler electrical supply logic