The TS121A is designed to be housed within MT1 or MT2 series mixing tubes

Whether you're performing a routine maintenance overhaul or an emergency blower motor repair

it restores the burner circuit once a safe water level is detected

EMI/RFI Suppression: Advanced shielding reduces electromagnetic interference

This 3/4-inch sweat connection zone valve features a normally closed configuration and a built-in SPST auxiliary end switch

Lennox X8791 Insert 320788-703 The TS121A is designed toThe 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