Lochinvar & A.O. Smith 100170643 Board 318973-401 The Robertshaw 710-511 is rated

The Robertshaw 710-511 is rated for 70

Key Benefits True Differential Pressure Measurement: Single-diaphragm design eliminates calculations and potential errors associated with line pressure fluctuations

and refrigeration racks

The ASCO 8214G30B-24V is rated for a maximum operating pressure differential (MOPD) of 50 PSI for fuel gas applications

For technicians performing a direct replacement

Lochinvar & A.O. Smith 100170643 Board 318973-401 The Robertshaw 710-511 is ratedThe 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