Feedwater Connections

Feedwater Connections 1. Feedwater, make-up water, or water treatment shall be introduced into a boiler through the return piping system or through an independent feedwater connection which does not discharge against parts of the boiler exposed to direct radiant heat from the fire. Feedwater, make-up, or water treatment shall not be introduced through openings or connections provided for inspection or clean, safety valve, safety relief valve, surface blowoff, water column, water gauge glass, pressure gauge or temperature gauge. 2. Feedwater piping shall be provided with a check valve near boiler and a stop valve or cock between the check valve and the boiler or return pipe system.