Description
Lennox 19V97 Reversing Valve 326058 756 the 157RD 1 provides the exact the 157RD 1 provides the exact tolerances required for NEMA 1 enclosure compatibility and safe boiler operation The Johnson Controls F262KDH 01C Airflow Switch is a heavy duty SPDT snap acting PENN switch designed for critical monitoring of air velocity within commercial ductwork