Lochinvar & A.O. Smith 100170643 Board 326058-758 but the packing nut should

but the packing nut should be checked for tightness during routine boiler inspections to ensure a leak-free seal

Can this valve be used as a discharge bypass valve

Connecting to a lower voltage will result in motor failure

To ensure a long service life and accurate readings

Lochinvar & A.O. Smith 100170643 Board 326058-758 but the packing nut shouldThe Lochinvar & A. O. Smith 100170643 Thermostat Control Board is a critical OEM replacement part engineered for high efficiency CB 045 260 hydronic boilers. As a dual stage integrated boiler control, this module manages complex heating cycles by monitoring real time system activity and adjusting firing rates to meet precise demand. It features a broad max setpoint range of 150F to 200F and a reliable min setpoint range of 110F to 140F, ensuring