Honeywell T678A1437 Controller 323055-751 The unit utilizes a surface-mount

The unit utilizes a surface-mount sensor to monitor tank surface temperatures

the Sporlan 700052 typically does not require disassembly when using standard HVAC soldering techniques

The York S1-028-09985-700 Sheave is a precision-engineered single groove cast iron pulley designed for heavy-duty HVAC blower and motor assemblies

OEM Durability: Constructed from high-grade materials to prevent premature diaphragm rupture and avoid common "no-heat" service calls

Common Questions How do I convert the VMP42

Honeywell T678A1437 Controller 323055-751 The unit utilizes a surface-mountThe Honeywell T678A1437 is a heavy duty remote bulb controller designed for precise two stage temperature control in commercial HVACR applications. As a veteran grade mechanical thermostat, it excels in regulating temperatures within ducts, pipes, tanks, and boilers. This model features dual SPDT switch outputs that operate in sequence, making it the standard choice for staging dampers, valves, or multi stage heating and cooling equipment. With a 0