Lochinvar & A.O. Smith 100169458 Switch 318518-761 Precise Temperature Regulation: High-accuracy immersion

Precise Temperature Regulation: High-accuracy immersion thermistor ensures consistent hot water delivery and prevents thermal stacking

Key Benefits Universal Compatibility: Designed for side-wall venting of a single 24 VAC controlled gas appliance or a combination of a furnace/boiler and a 30 millivolt water heater

Direct Cross Reference: Perfectly replaces legacy part number 1149252 without modifying wiring or brackets

Common Questions What is the maximum amperage for this switch

Lochinvar & A.O. Smith 100169458 Switch 318518-761 Precise Temperature Regulation: High-accuracy immersionThe 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