The Lennox 27J27 Refrigerant Detection System (RDS) Air Handler Sensor Kit is a genuine OEM safety component designed for use in Lennox air handlers equipped with low-GWP refrigerant systems. This sensor is a critical part of the Refrigerant Detection System, continuously monitoring the air handler compartment for the presence of refrigerant vapors. When connected to a compatible RDS control board, the sensor helps ensure system safety by detecting leaks early and initiating protective responses.This kit is commonly used in modern Lennox systems designed for A2L refrigerants, such as R-454B, where refrigerant detection is required to meet current safety standards. It is intended for replacement or service applications to maintain proper system operation and regulatory compliance.

 

Specification:

Manufacturer: Lennox
Part Number: 27J27
Product Type: Refrigerant Detection System Air Handler Sensor Kit
Application: Air handler refrigerant leak detection
System Function: Monitors refrigerant presence and communicates with RDS control board
Compatibility: Select Lennox air handlers equipped with Refrigerant Detection Systems
OEM Status: Genuine Lennox factory part

 

Key Benefits:
Designed specifically for Lennox RDS-equipped air handlers
Supports safe operation of low-GWP refrigerant HVAC systems
Helps protect equipment and occupied spaces by enabling automatic