Resideo TH8321WF1001 Thermostat 322056-301 The McDonnell & Miller 64

The McDonnell & Miller 64 (Part Number 143600) is a heavy-duty mechanical low water cut-off engineered for reliable water level regulation in residential and commercial hot water and steam boilers

Bray Actuator Compatibility: Engineered for seamless integration with Series 92 and 93 pneumatic units

Proven Reliability: Engineered by Reznor for specific compatibility with Series UDAP

This board is compatible with the ZoneAire Select PZH (SA Series) and the ZoneAire Premier PDH 7000 BTU (SF Series) units

Correctly matching the microfarad rating and voltage is essential for preventing motor overheating and premature failure in ICP condenser units

Resideo TH8321WF1001 Thermostat 322056-301 The McDonnell & Miller 64The Resideo TH8321WF1001 is a robust, hardwired Wi Fi VisionPRO 8000 digital thermostat engineered for versatile application in both residential and light commercial environments. Designed to handle up to 3 Heat 2 Cool Heat Pump or up to 2 Heat 2 Cool Conventional systems, this unit provides precise control via 18 30Vac screw terminals. It features a high resolution 10 sq. in. touchscreen interface with 7 day programmable or non programmable options,