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This model is technically identical to the H15FA-1C
it includes an internal 3
this model is specifically an Open High (cut out on temperature rise) control intended for heating limits
How do I adjust the heat temperature limits for specific applications
Lochinvar & A.O. Smith 100208401 Switch 320074-702 This model is technically identicalEnsure critical safety and performance for commercial water heating and boiler systems with the Lochinvar & A. O. Smith 100208401 Switch. This genuine OEM Pressure Switch Nema 4 is engineered to monitor combustion air and flue gas pressures, providing precise circuit activation or deactivation based on preset thresholds. The NEMA 4 enclosure provides superior environmental protection against dust, rain, and hose directed water, making it a reliable
