Armstrong Furnace R42936-001 Discharge Thermostat and commercial boilers

and commercial boilers

forcing an inspection of potential root causes like clogged filters or blower failure

If the system cools down and the switch closes

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

ensuring the system remains protected against heat exchanger overheating while allowing for restored operation once safe temperatures are achieved

Armstrong Furnace R42936-001 Discharge Thermostat and commercial boilersThe 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