Honeywell T678A1437 Controller 323055-751 the Sporlan 700052 typically does

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

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

it supports the air dryer system which is responsible for removing moisture to protect pneumatic actuators and controllers

This component features a robust stem button and screw assembly that allows for fine-tuning the valve stem height

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

Honeywell T678A1437 Controller 323055-751 the Sporlan 700052 typically doesThe 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