Carrier HT01BC701 Transformer 318423-701 Whether you are troubleshooting a

Whether you are troubleshooting a unit that fails to kick on the auxiliary heat or dealing with a stuck contactor

Reduces friction and wear on pump shafts

making it a standard choice for condenser fan cycling control and high-pressure system protection

Space-Saving Footprint: Piggyback configuration combines two functions into one 3/8" port body

While optimized for steam service (up to 15 psig)

Carrier HT01BC701 Transformer 318423-701 Whether you are troubleshooting aThe Carrier HT01BC701 Transformer is a heavy duty industrial step down transformer designed for high capacity HVACR power distribution. Engineered with a 460V primary and a 230V secondary, this unit delivers a substantial 1564VA rating, making it ideal for powering large scale control circuits, motors, and auxiliary components in commercial air handlers and chillers. As a direct OEM Carrier replacement part, it ensures precise electrical compatibility