As a primary digital controller

For technicians performing a Lennox heat pump repair

By maintaining precise superheat levels

The provided #55 orifices are standard for altitudes up to 2

meaning it will close the circuit once the temperature drops to 160°F

Trane BRK3657 Bracket Arm 340155-7024 As a primary digital controllerFor field technicians and mechanical contractors, the Trane BRK3657 Motor Bracket Arm (Pack of 4) is a critical OEM replacement component designed to maintain precise motor alignment and structural integrity within residential and commercial HVAC motor mounting systems. Fabricated from heavy duty galvanized steel with a G 90 hot dipped finish, these arms provide superior corrosion resistance and long term durability in high moisture environments