Always check the motor nameplate for the required microfarad rating

Whether you are troubleshooting a furnace not turning on or a dead contactor

5 lb stem force and a 1/4 inch stroke length

or 0-10VDC) and converts them into a linear pneumatic output with minimal hysteresis

it ensures a leak-proof seal at the inspection plate

Lennox 25W71 Gasket R-407A Always check the motor nameplateThe Lennox 25W71 Gasket is a critical OEM replacement part designed specifically for sealing the collector box cover in high efficiency Lennox furnaces. As a veteran tech knows, a compromised seal at the secondary heat exchanger leads to pressure switch trips and dangerous flue gas leakage. This precision engineered furnace collector box gasket (also indexed under 100742 01) ensures an airtight, negative pressure environment required for the draft