Carrier 328963-753 2 Caps L99H008 The Daikin-McQuay 044275100 Thermostat is

The Daikin-McQuay 044275100 Thermostat is a heavy-duty 120V SPDT thermostat designed for precise temperature regulation in legacy and modern fan coil units

this replacement humidity sensor ensures the control board receives precise resistance readings to regulate the heating cycle and prevent dry-fire conditions

Technicians benefit from zero-calibration airflow transducers and automated commissioning sequences

5" WC regulator setting while the burner is firing

making it a direct-fit solution for technicians looking to restore factory-spec performance without the need for field modifications

Carrier 328963-753 2 Caps L99H008 The Daikin-McQuay 044275100 Thermostat isThe Carrier 328963 753 is a critical OEM replacement component, consisting of a pack of 2 hex caps specifically engineered for service valve protection. Featuring a 1. 18 inch hex size, these caps provide a precision fit for standard suction line service valves found in Carrier, Bryant, and Payne residential and commercial split systems. In the field, these are the primary defense against refrigerant migration and atmospheric contamination. The heavy