Lennox 25W71 Gasket 320788-703 leak-proof joint when brazed according

leak-proof joint when brazed according to industry standards

Durable Construction: Built with high-temperature resistant materials to endure frequent ignition cycles without electrode degradation

and 3B electrode fittings

the PB00106 offers precise alignment with the burner bracket to prevent delayed ignition or nuisance lockouts

Lennox 25W71 Gasket 320788-703 leak-proof joint when brazed accordingThe 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