Trane SHF2734 Flex Shaft Els PW 17895 If the reversing valve is

If the reversing valve is not shifting and you have confirmed 24VAC at the coil

and limit circuits to maintain factory-spec performance

Installing it on a lower or higher voltage circuit will result in either failure to actuate or total electrical burnout

Is the B318 compatible with steam

Industrial Grade Construction: Designed to withstand the high-temperature environments of residential furnace cabinets

Trane SHF2734 Flex Shaft Els PW 17895 If the reversing valve isThe Trane SHF2734 is a professional grade 25' Flex Shaft engineered specifically for technical maintenance on HVACR heat exchangers and chillers. Designed for 9 16" to 1" tube diameters, this chiller tube cleaning tool features a robust internal core designed to withstand high torque loads during mechanical scale removal. As a direct Trane OEM replacement part, the SHF2734 ensures precise compatibility with standard rotary tube cleaning systems used