CENTRAL BOILER O-RING SET P/N 542

O-ring set that fits between the pump and the flange. 

These are included when purchasing a new pump.

Fits following Taco Pumps, 007, 009, 011, 014

Also fits other brands of pump and flange kits.

Fits the following Central Boiler Classic Outdoor wood furnaces: 4030, 4030T, 5036, 5036T, 6048, 6048T, 4436, 5648,  HF48, HF60,