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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
allowing for immediate plug-and-play integration into the control circuit
a dedicated conversion kit or a propane-specific valve must be used to meet the higher pressure requirements
Resilient Construction: Lightweight aluminum body paired with Nitrile (NBR) seals for long-term fuel gas compatibility
Constructed with a durable stainless steel body
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,
US$ 137.81
US$ 137.03
US$ 137.81
US$ 130.35
