While it varies by model

It functions as a proportional controller

How do I confirm the manifold pressure after conversion

It is designed to be installed onto your existing 93 or 193 series float housing to restore pump control and low water cut-off functionality

The HL-69158NP-0 can operate as a stand-alone controller

Heil Quaker ICP 1183515 TXV Kit 326010-701 While it varies by modelEnsure peak system performance with the Heil Quaker ICP 1183515 TXV Kit. This R410A thermal expansion valve is a critical OEM replacement part engineered for precise refrigerant metering. Unlike fixed orifice pistons, this TXV kit actively regulates refrigerant flow into the evaporator, maintaining ideal superheat levels and protecting the compressor from liquid slugging. Specifically calibrated for R410A refrigerant systems, the 1183515 ensures