Lennox 98M86 Rollout Switch ensuring that the critical bellows

ensuring that the critical bellows mechanism operates without interference from external contaminants or pressure loss

Whether you are servicing a boiler or a large-scale furnace

This part is specifically engineered for the Weil McLain GV Series (Gold GV) boilers

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

Lennox 98M86 Rollout Switch ensuring that the critical bellowsThe 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,