dahl Brothers Canada Limited

mini-ball™ Valves

Expansion Tank Boiler

’s Expansion Tank / Boiler Fill kit enables easy isolation of either the entire system or just the expansion tank in open loop hydronic heating systems.  The union connections make installation simple, and connections are available for all common pipe types.

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Part Number Product Type Description Material
4301-5513-13 Expansion Tank-Boiler Fill Dual Shut-Off Valve 1/2 Dual MB Union X 1/2 Fem. Solder X 1/2 Fem. Solder Regular Brass
4301-5513D-13 Expansion Tank-Boiler Fill Dual Shut-Off Valve 1/2 Dual MB Union X 1/2 Fem. Solder w/Drain X 1/2 Fem. Solder Regular Brass
4301-5553D-13 Expansion Tank-Boiler Fill Dual Shut-Off Valve 1/2 Dual MB Union X 1/2 FIP w/Drain X 1/2 Fem. Solder Regular Brass

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