By switching from liquid propane back to natural gas

it ensures minimal pressure drop across the line

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

Maintaining a leak-free seal in steam systems requires high-performance components that can withstand thermal expansion and contraction

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

Peco Controls 73207 Knob 319848-301 By switching from liquid propaneAs 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