Lochinvar & A.O. Smith 100288430 Switch 321894-706 making it an efficient choice

making it an efficient choice for large-scale HVAC building automation deployments

or as a direct replacement in UDAP and UDAS systems where a #44 drill size is specified for peak BTU output

High-Flow Capacity: The 1-inch NPT connections support higher BTU demands in commercial heating equipment

check the maximum temperature and pressure ratings of the brass trim before considering low-pressure steam use

This HVAC expansion valve is typically utilized in systems ranging from 2

Lochinvar & A.O. Smith 100288430 Switch 321894-706 making it an efficient choiceThe Lochinvar & A. O. Smith 100288430 Low Air Pressure Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a veteran technician knows, this normally open switch is calibrated to a precise 0. 75" water column (W. C.) set point. It serves as the primary "proof of airflow" for the inducer motor, ensuring that the combustion blower is creating sufficient negative pressure to safely evacuate flue