Lennox 21P84 - Adjustable Fan or Limit Thermostat (135–175°F Range, 40°F Differential, Open-on-Rise Switching)
Ensure reliable HVAC system protection and precise temperature regulation with the Lennox 21P84 Adjustable Fan or Limit Thermostat. Engineered for performance and durability, this versatile component is designed to activate or limit airflow based on temperature rise, providing essential safety and control in both residential and light commercial applications.
Key Features:
- Adjustable Temperature Range: 135°F to 175°F, allowing precise customization to match specific system requirements.
- 40°F Fixed Differential: Maintains a consistent operating gap between cut-in and cut-out points, enhancing system efficiency and preventing rapid cycling.
- Open-On-Rise Switching: Opens the electrical circuit as temperature increases, ideal for use as a high-limit safety control or fan control thermostat.
- Versatile Application: Suitable for use as either a fan control (activating blowers based on plenum temperature) or as a high limit control to shut down the burner at unsafe temperatures.
- Reliable Construction: Built with high-quality materials for dependable long-term performance in demanding HVAC environments.
- Easy Installation: Designed for straightforward mounting and wiring within standard system configurations.
- Warm air furnaces
- HVAC blower assemblies
- Over-temperature safety control in heating units
- Temperature Range: 135°F – 175°F (adjustable)
- Differential: 40°F (fixed)
- Switch Action: Open-on-rise
- Type: Fan or Limit Thermostat
- Lennox Part Number: 21P84
Maintain peak system performance and safeguard your HVAC equipment with the Lennox 21P84 adjustable thermostat.
Order today from Beenimax.com – a trusted supplier of genuine Lennox HVAC components.