️ Furnace Fan Control Thermostat | SHF90 | Auto Reset | 80°F Open / 90°F Close
Maintain efficient airflow and protect your HVAC system with this brand-new SHF90 auto reset fan control thermostat. Designed to open at 80°F and close at 90°F with a 10°F differential, this high-limit switch is part of the trusted SHF Series of 3/4" (19mm) bimetal disc temperature controls. Built to handle loads up to 25 amps at 240VAC, it’s ideal for residential and light commercial furnace applications requiring automatic fan cycling based on plenum temperature.
⚙️ Features & Benefits:
- ✅ Auto reset functionality for continuous fan cycling
- ️ Opens at 80°F, closes at 90°F (10°F differential)
- Rated for up to 25 amps at 240VAC
- Compact 3/4" (19mm) bimetal disc design
- Brand New – Unused and ready to install
Replaces Part Numbers:
Direct replacement for fan control thermostats with matching specifications. Please verify compatibility before ordering.
✅ Fits Models:
Compatible with select furnace and HVAC systems requiring auto reset fan control with 80°F open / 90°F close settings. Refer to your unit’s service manual or model tag to confirm compatibility.
️ Installation Tips:
- Disconnect power before servicing the furnace or HVAC unit
- Locate the fan control thermostat near the blower housing or plenum
- Remove mounting screws and disconnect wire terminals
- Install the new SHF90 thermostat in the same orientation
- ✅ Reconnect wires securely, restore power, and test fan cycling operation
