allowing installers to orient the unit in any direction except upside down

technicians can quickly swap out the worn seat to ensure the normally open valve meets its original close-off specifications and proportional control requirements

as an externally equalized TXV

technicians often prefer the "HH" core series which includes activated charcoal for wax and varnish removal

making it suitable for standard residential power configurations

Lochinvar & A.O. Smith 100111019 Lower Probe 321894-708 allowing installers to orient theThe Lochinvar & A. O. Smith 100111019 Lower Probe is a critical OEM replacement temperature sensor designed for commercial high efficiency water heaters. When you are troubleshooting erratic temperature swings or lockout codes on units like the Cyclone BTH, SUF, or HCG series, this immersion style probe is often the primary fix. It provides the central control board with precise thermistor data from the lower section of the tank to manage thermal