Lennox X8791 Insert 326058-758 Is this gasket required when

Is this gasket required when replacing a gas valve or blower

Durable Construction: High-quality forged brass or bronze body ensures integrity under high static pressures

which is critical for preventing backsiphonage and securing the potable water supply

ensuring precise mechanical alignment

Designed for prover air pressure monitoring in high-output commercial electric and gas water heaters

Lennox X8791 Insert 326058-758 Is this gasket required whenThe Lennox X8791 Healthy Climate PureAir Mesh Insert is a critical OEM replacement component designed specifically for the PCO20 28 air purification system. As a veteran technician, you know that maintaining the photocatalytic oxidation process requires precise fitment; this LB 114220A metal mesh provides the exact surface area needed for hydroxyl radical production. Measuring 19. 5" x 25. 5" x 1", it acts as the catalyst insert that works in tandem