Its NBR seals ensure reliable performance between 0-5 PSI

Key Benefits for Technicians Broad Compatibility: Genuine OEM Lennox replacement part designed to fit models including G60UH

utilizing a 24V architecture to manage up to four independent environmental zones

and RFCX families

you must match the 825 RPM motor speed

Resideo TH135-01-B Thermostat 318973-401 Its NBR seals ensure reliableThe Resideo TH135 01 B is a contractor grade non programmable thermostat engineered for precise 1 heat control in hydronic heating and low voltage forced air systems. Operating on a 24Vac or 24Vdc power supply, this electronic unit features a high density vertical mount design, making it an ideal retrofit for aging mechanical thermostats. It utilizes a thermistor sensing element to maintain 1F temperature accuracy, significantly reducing temperature