Armstrong Furnace R42936-001 Discharge Thermostat the SpectrAlert Advance MHR supports

the SpectrAlert Advance MHR supports full synchronization

and commercial boilers

Can I use this to replace a 30VA or 20VA transformer

ensuring it handles everything from glycol loops to above-ground potable water supply without risk of contamination or premature fatigue

If the system cools down and the switch closes

Armstrong Furnace R42936-001 Discharge Thermostat the SpectrAlert Advance MHR supportsThe Armstrong Furnace R42936 001 Discharge Thermostat is a critical high limit safety component engineered specifically for HVAC discharge temperature monitoring. Designed to integrate seamlessly with Armstrong and AirEase furnace models, this limit switch monitors heat exchanger temperatures to prevent thermal runaway. When discharge temperatures exceed factory set parameters, the R42936 001 interrupts the heating circuit, protecting the heat