Seton Wood Boilers and Radiant Stoves    _{Heating that does not Cost the Earth}   

This is the approved way to plumb the Seton Boiler, if you do not have the Seton Control Package. The boiler must be plumbed so that if the draft motor sticks open for any reason the cold feed water will flow up through the boiler pressure vessel and protect it from overheating. The temperature and pressure relief valve must be mounted on top of the boiler before the check valve.