Lennox Pulse Gas Flapper Diaphragm

Lennox Pulse Gas Flapper Diaphragm. This is a good used Lennox Pulse gas flapper, diaphragm, Used on all Lennox G14, G21, GSR14, and GSR21 pulse furnaces. This part has been tested and works perfectly. This is a good used Lennox Pulse gas flapper, diaphragm, Used on all Lennox G14, G21, GSR14, and GSR21 pulse furnaces. This part has been tested and works perfectly. If you need this part, you may need it fast. We will ship immediately after payment clears. Contact us if you have any questions. If any shipping options are chosen other than our free shipping, those funds will not be refunded for any reason if the part is returned.