Zurn Wilkins WILKINS WATER THERMAL EXPANSION TANK, 9.25 GALLON

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Product Overview

Designed for installation on potable water lines between the backflow preventer or pressure reducing valve and the water heater to protect against water thermal expansion. When system pressure increases, water enters the tank’s polypropylene lined water chamber which expands a diaphragm into a pre-charged air chamber, keeping system pressure below the relief valve setting.

  • Outer shell - Carbon Steel
  • Coatings - Epoxy finish (outer shell)
  • Connection - Stainless Steel
  • Liner - Polypropylene
  • Diaphragm - Butyl Rubber

Specifications

Color
Gray
Diameter
12.5 in.
Height
17.25 in.
HVAC Product Type
HVAC Part
Maximum Volume
4.25 Gal.
Tank Capacity
9 Gal.
Certifications
NSF LEAD-FREE