The Cleveland Controls RFS-4001-038 is a professional-grade airflow pressure sensing switch designed for robust performance in HVAC and energy management systems

which simplifies the swap-out process for OEM Trane parts

The edge connector is keyed for proper orientation

the BRD04876 board facilitates efficient troubleshooting by signaling fault conditions and monitoring integrated sensor inputs

machined flange surfaces to ensure a high-integrity mechanical seal

Heil Quaker ICP 34332901 Limit Switch R-407C The Cleveland Controls RFS-4001-038 isThe Heil Quaker ICP 34332901 Limit Switch is a critical safety component engineered for precise thermal regulation in high efficiency gas furnaces and HVAC systems. Designed with an L200 20F temperature rating, this normally closed (NC) limit control is calibrated to trip at a fixed 200? F rise to prevent heat exchanger damage or unsafe operating conditions. As a genuine OEM replacement part, it ensures seamless integration with Heil, Tempstar,