Lennox 98M86 Rollout Switch the S1-026-34027-000 is the standardized

the S1-026-34027-000 is the standardized OEM replacement for the discontinued S1-2702-3191

this retainer supports the necessary tension for accurate pneumatic valve actuator positioning

Incorporating the 37-27 gasket during routine maintenance prevents fluid bypass and maintains the calibration of the water feeder's mechanical linkage

How many gaskets are required per unit for a full rebuild

Whether you are performing a seasonal tune-up or a specific burner assembly repair

Lennox 98M86 Rollout Switch the S1-026-34027-000 is the standardizedThe Lennox 98M86 Rollout Switch is a critical furnace safety limit designed to monitor burner temperatures and prevent hazardous flame rollout conditions. This thermal rollout switch features a 350 degrees F actuation point with a manual reset mechanism, ensuring that a technician must inspect the combustion area for heat exchanger breaches or venting issues before the system becomes operational again. As a Single Pole Single Throw (SPST) component,