and run capacitor (CAP-45/440R) is highly recommended to ensure proper torque and electrical stability

Visual inspection of the cells for cracks or rusted-out spots is a standard part of a professional HVAC audit

preventing oil buildup inside the trap

Precise Head Pressure Regulation: Maintains consistent refrigerant head pressure during low ambient operation to ensure proper oil return and cooling capacity

or a compromised heat exchanger

Lochinvar & A.O. Smith 100108690 Pressure Switch 326058-756 and run capacitor (CAP-45/440R) isThe Lochinvar & A. O. Smith 100108690 Pressure Switch is a critical safety and operational component designed for high efficiency combustion systems. This negative pressure switch is factory calibrated to a precise set point of . 15"wc (water column), ensuring the inducer fan is generating the specific vacuum required for a safe ignition sequence and continuous burner operation. Featuring a Single Pole Double Throw (SPDT) configuration, it provides