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specific pilot orifices must match your gas type
Output selection is managed through onboard dip switches
Replacing a fouled or warped burner with this OEM Modine replacement part restores the proper BTU output and ensures the flame sensor and igniter interface correctly with the burner ports for reliable startups every time
streamlining HVAC installation and reducing material costs
Williams P323078 Thermo Switch 321894-709 specific pilot orifices must matchWhen you're out in the field servicing a customer's HVAC unit, reliability is non negotiable. The Williams P323078 Thermo Switch is a critical OEM replacement component designed specifically for Williams wall furnaces and direct vent heating systems. This high integrity furnace limit switch acts as a safety or operational control, sensing temperature fluctuations to manage blower activity or provide essential circuit protection. Whether you are
