Carrier HT01AH851 Transformer 326058-755 the entire unit should be

the entire unit should be replaced to ensure system safety

Double Shaft Geometry: Specifically designed for dual-wheel blower configurations found in Williams console heaters

This 3/4 inch NPT temperature regulator operates without auxiliary energy

sizes 3 through 5

Always verify your heater’s nameplate for amperage and voltage requirements

Carrier HT01AH851 Transformer 326058-755 the entire unit should beThe Carrier HT01AH851 is a high capacity 1000VA control power transformer engineered for demanding industrial and commercial HVACR applications. Designed for versatile power distribution, this unit features a dual voltage primary 240 480V side and a 120 240V secondary output, providing the necessary step down for control circuits, contactors, and high draw relays. As a genuine OEM HVAC replacement part, it ensures precise electrical characteristics