Resideo TH115-AF-120S Thermostat 318423-701 The Siemens MXG461 series is

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

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

also identified by model number MA559

How do I verify if my furnace was made after 2013

Enhanced Safety: Immediately interrupts the heating cycle if the inducer motor fails to prove sufficient draft

Resideo TH115-AF-120S Thermostat 318423-701 The Siemens MXG461 series 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