the Watts 374A series is the standard for reliability due to its non-mechanical disc-to-seat alignment

Using this OEM Lochinvar damper motor ensures the system remains within factory specifications for A

though it is also compatible with Type 3R outdoor enclosures if swapped

This thermostatic radiator valve operator features a specialized gas-filled sensor that ensures significantly faster response times compared to wax-filled alternatives

Operating on a 13 to 25 psig supply pressure range

Trane MOT12289 Motor 321894-708 the Watts 374A series isThe Trane MOT12289 is a heavy duty, direct drive condenser fan motor designed for critical applications in high tonnage HVAC systems. This 1 HP motor operates on 208 230V single phase power, featuring a 48 frame design and 1075 RPM performance standard for optimizing head pressure in commercial units. Built for demanding outdoor environments, it utilizes Class B insulation and an enclosed shaft end bracket to prevent moisture ingress. The Clockwise