While the valve body can be mounted in various positions

it is a factory authorized part that maintains the internal pressure characteristics and thermal efficiency of Carrier

this venter assembly is the standard replacement part for several V3 series units

this unit serves as the direct technical replacement for the legacy ZR48K5-TFD-800 model

Lochinvar & A.O. Smith 100187886 Assembly 322838-754 While the valve body canAs a seasoned technician, you know that maintaining precise combustion air ratios is non negotiable for high efficiency commercial water heaters. The Lochinvar & A. O. Smith 100187886 Assembly is a genuine OEM blower intake reducer assembly designed specifically for Cyclone Mxi model BTH 300, 400, and 500 units, as well as the 200 and 201 series. This critical HVAC replacement part functions by narrowing the air intake diameter to increase the