Lochinvar & A.O. Smith 100169458 Switch 321894-708 allowing technicians to verify furnace

allowing technicians to verify furnace manifold pressure during setup

Using it with R-410A will lead to incorrect metering and potential compressor damage due to different pressure requirements

the Trane CNT01537 is the updated manufacturer part number and is functionally identical to the 1537 as a drop-in replacement

and environmental debris

As a veteran-grade fan system zone sensor

Lochinvar & A.O. Smith 100169458 Switch 321894-708 allowing technicians to verify furnaceThe Lochinvar & A. O. Smith 100169458 Switch is a critical Main Power Switch for high efficiency commercial and residential water heaters and boilers. Also identified as the Lochinvar SWT1000, this rocker style On Off Power Switch is a direct factory authorized replacement component designed to restore line voltage connectivity to the integrated control module. As a veteran technician, you know that a failure in the boiler electrical supply logic