Resideo TH115-AF-120S Thermostat 318423-701 Confirm that your system is

Confirm that your system is a 3-ton capacity unit utilizing R-22 refrigerant

The Siemens MXG461 series is compatible with water-glycol mixtures up to a 50% concentration without affecting performance

Common Questions Is the Sporlan FV-1/2-C compatible with R-407C

the TXV-42 is specifically calibrated for R-410A refrigerant

also identified by model number MA559

Resideo TH115-AF-120S Thermostat 318423-701 Confirm that your system isFor contractors and HVAC professionals, the Resideo TH115 AF 120S Thermostat is the industry standard for managing high capacity electric heating systems. Engineered with a dedicated epoxy soundproofed relay, this unit eliminates the invasive clicking noise typical of mechanical line voltage controls, making it ideal for high end residential and commercial floor heating or electric baseboard heater retrofits. This 120 Vac vertical mount controller