Zilmet Cal-Pro Hydronic System Expansion Tanks

Zilmet has created a compact design with a seamless diaphragm that never stretches or creases. There are no bubbles or corners to trap sediment, inhibiting bacterial growth.

Technical Features:
Each tank is factory leak tested to ensure tank integrity 
Certified synthetic SBR rubber diaphragm
All diaphragms designed to maximize drawdown
MIG welding eliminates interior rough spots and sharp edges
Welded side outlet allows easy and quick installation
External baked on epoxy-polyester coating provides a durable, appliance like finish
Protected pre charge valve eliminates potential leak path
5 year warranty on all models

model description usually ships price QTY
ZHT12 Zilmet Cal-Pro expansion tanks for heating systems. 60 psi rated. 3.2 gallons capacity. 5-6 Days $32.40
ZHT18 Zilmet Cal-Pro expansion tanks for heating systems. 60 psi rated. 4.8 gallons capacity. 1-2 Days $37.00
ZHT24 Zilmet Cal-Pro expansion tanks for heating systems. 60 psi rated. 6.3 gallons capacity. 1-2 Days $50.70
ZHT35 Zilmet Cal-Pro expansion tanks for heating systems. 60 psi rated. 9.2 gallons capacity. 1-2 Days $91.50
ZHT35F Zilmet Cal-Pro expansion tanks for heating systems. 60 psi rated. 9.2 gallons capacity. 5-6 Days $91.50
ZHT50 Zilmet Cal-Pro expansion tanks for heating systems. 60 psi rated. 13.2 gallons capacity. 5-6 Days $101.40
ZHT50F Zilmet Cal-Pro expansion tanks for heating systems. 60 psi rated. 13.2 gallons capacity. 5-6 Days $101.40
ZHT80 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 21.1 gallons capacity. 5-6 Days $162.00
ZHT105 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 27.7 gallons capacity. 5-6 Days $221.10
ZHT150 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 39.6 gallons capacity. 5-6 Days $304.00
ZHT200 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 52.8 gallons capacity. 5-6 Days $369.00
ZHT250 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 66 gallons capacity. 5-6 Days $449.30
ZHT300 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 79.3 gallons capacity. ***SHIPS FREIGHT*** 5-6 Days $540.80
ZHT400 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 105.7 gallons capacity. 5-6 Days $499.00
ZHT500 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 132.1 gallons capacity. 5-6 Days $939.40
ZHT600 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 158.5 gallons capacity. 5-6 Days $1187.30
ZHT700 Zilmet Cal-Pro expansion tanks for heating systems. 90 psi rated. 184.9 gallons capacity. 5-6 Days $1553.50
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