Lochinvar & A.O. Smith 100110783 Pressure Switch 340793-762 The Johnson Controls A19ABB-2 is

The Johnson Controls A19ABB-2 is a heavy-duty mechanical temperature control engineered specifically for high-range applications such as crop drying and industrial heating

Does this unit replace the P179500

OEM Compatibility: Guaranteed fit for Nor East Controls (formerly Honeywell/DeZURIK) Type 01 direct acting spring-diaphragm actuators

but professional HVACR technicians should leave the first thread clear of sealant to prevent debris from entering the vacuum breaker stem or the TC-V internals

ensuring the system returns to heating mode efficiently

Lochinvar & A.O. Smith 100110783 Pressure Switch 340793-762 The Johnson Controls A19ABB-2 isThe Lochinvar & A. O. Smith 100110783 Pressure Switch is a critical safety component engineered for high efficiency commercial and residential boilers and water heating systems. As a blocked inlet pressure switch, this OEM replacement part is calibrated to monitor airflow and combustion exhaust conditions. If the venting system becomes obstructed or the inducer motor fails to maintain the required pressure differential, this switch breaks the