the 626610 flame rollout switch is a standard truck-stock item for diagnosing furnace short cycling or no-heat calls where the safety limit has tripped due to poor draft or low gas pressure

Physical Interrupter: Integrated safety mechanism disconnects the capacitor internally to prevent case rupture during extreme voltage spikes

Class F Insulation: High thermal resistance ensures stable operation in restrictive plenums and high-heat environments

The 98M74 is standard for a wide range of Lennox air handlers and furnaces requiring 10-inch diameter wheels

Heavy-Duty Construction: The plated steel spring design prevents oxidation and fatigue

Johnson Controls P170NA-1 Pressure Control 30067439-890 the 626610 flame rollout switchThe Johnson Controls P170NA 1 is a performance grade dual pressure control engineered for standard commercial refrigeration and large capacity air conditioning systems. This mechanical controller integrates both high side and low side protection within a single all steel case, providing a compact footprint for streamlining your manifold or cabinet layouts. Utilizing a Single Pole Single Throw (SPST) switch, the unit executes a rapid cutout when system