Resideo TH8110R1008 Thermostat 319825-402 The robust bimetal construction is

The robust bimetal construction is built to withstand the thermal stress of frequent cycling

The Watts FV-4M1-1/2 is specifically designed for non-potable hydronic heating and cooling applications

which includes specific seals for oil compatibility

specifically identifying with part numbers 100274592

Resideo TH8110R1008 Thermostat 319825-402 The robust bimetal construction isThe Resideo TH8110R1008 is a professional grade VisionPRO 8000 with RedLink touchscreen thermostat designed for 1H 1C conventional systems and single stage heat pumps. Operating on a versatile 18 30Vac or 750mV platform, this unit features 7 day programmable logic with a patented interview based setup that eliminates the need for complex manuals during commissioning. It functions as a standalone thermostat or integrates into a broader RedLink wireless