it ensures minimal pressure drop across the line

The Lennox 52M31 Blower Motor is a heavy-duty

simply swap the internal orifice with the LP version provided in the kit before mounting

Always clear the pressure sensing lines of debris before installing a new HVAC safety switch

or you can press the HOLD button for a permanent manual override

Peco Controls 73207 Knob 319848-301 it ensures minimal pressure dropAs a field worn tech, you know that a missing or stripped Peco Controls 73207 knob can turn a simple service call into a headache. This genuine Peco replacement knob is specifically engineered for the T155 and T167 series thermostats, featuring high visibility F temperature markings for precise setpoint adjustment. Designed for horizontal mounting, it integrates seamlessly with the Erie T155 fan coil controller, ensuring the potentiometer stem aligns