and Thermal Zone units

How do I test a 626375R rollout switch

A damaged or incorrect orifice can lead to flame rollout or poor venting performance in intermittent pilot and direct spark ignition systems

swap-outs are straightforward

Armstrong Furnace R101432-15 Pressure Switch and Thermal Zone unitsThe Armstrong Furnace R101432 15 Pressure Switch is a critical safety component calibrated to a . 85" WC fixed set point. Designed for induced draft furnaces, this SPST (Single Pole Single Throw) switch monitors the pressure differential within the combustion chamber to ensure the inducer motor is moving sufficient air for safe ignition. Featuring dual 1 4" barb connections, this pressure switch provides a secure fit for standard pneumatic tubing,