Thermal Resiliency: The Nichrome construction is designed to handle continuous pilot exposure and extreme temperature cycling without warping

This essential kit allows technicians to perform a full internal rebuild

excluding the FS4-3D variants

Utilizing this HVACR service kit minimizes downtime by addressing 1

Always verify your unit's model and serial number to ensure the mounting bolt pattern matches your specific blower housing

Trane RLY3167 Relay 320788-703 Thermal Resiliency: The Nichrome constructionThe Trane RLY3167 Relay is a specialized HVAC time delay relay designed to regulate sequencing within commercial and residential HVAC systems. As a critical OEM replacement part (also identified as RLY03167), this component utilizes a 24V coil to manage the activation of high draw components like compressors and blower motors. By introducing a precise delay, it prevents compressor short cycling, a common cause of premature mechanical failure. This