Lochinvar & A.O. Smith 100170456 T-Stat 319825-402 but the hot surface igniter

but the hot surface igniter won't glow

It is recommended to install the valve with the motor in a vertical to 90-degree horizontal position

factory-calibrated SPDT snap-acting switches mounted on a common foot bracket

By replacing a failing 80237 valve

Whether you are performing a furnace repair or an HVAC system upgrade

Lochinvar & A.O. Smith 100170456 T-Stat 319825-402 but the hot surface igniterThe Lochinvar & A. O. Smith 100170456 T Stat is a critical temperature control component engineered for high performance commercial water heaters and boiler systems. Designed for precise thermal regulation, this OEM replacement part ensures the HVACR system maintains optimal set points while preventing overheating via its integrated high limit energy cutout. As a veteran technician knows, maintaining energy efficiency and system reliability depends on