Lochinvar & A.O. Smith 100217965 Pressure Switch Els PW 29614 DIP switch #3 should be

DIP switch #3 should be set to the "OFF" position to enable a fixed 17-second warm-up routine rather than the factory-default adaptive setting

providing a seamless field replacement with enhanced reliability

dehumidification

It features a heavy-duty housing and a corrosion-resistant fan blade to withstand high-temperature exhaust environments

Built-in diagnostics and a 5-amp blade fuse provide essential protection for the 24V transformer circuit and downstream components

Lochinvar & A.O. Smith 100217965 Pressure Switch Els PW 29614 DIP switch #3 should beThe Lochinvar & A. O. Smith 100217965 Pressure Switch is a critical safety component designed for precise monitoring of the combustion air sequence in high efficiency water heaters and boilers. This 2. 3" WC blocked inlet pressure switch functions as a normally open contact that closes when the inducer fan generates the required negative pressure, ensuring the venting system is clear of obstructions before ignition. Engineered for compatibility with