Wilkins Water Thermal Expansion Tank' 4.5 Gallon

Item Number :272017

UPC Code : 612052056104

UNSPSC Code : 24111807

Brand :Zurn Wilkins

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