Thermal Expansion Relief Valve

Replaces an expansion tank, shut-off valve and fitting when installing or servicing a water heater.

Available In
  • 25704LF 3/4 in. x 3/4 in. x 1/2 in. Outlet
  • efficient

    Efficient

    Replaces an expansion tank, shut-off valve and fitting.
  • versatile

    Versatile

    Compatible with PEX, copper, CPVC, PE-RT and HDPE pipe.
  • quick-installation

    Quick Installation

    Faster install time and ease of use reduces risk of errors.
USAGE

SharkBite's Thermal Expansion Relief Valve eliminates the need for an expansion tank, shut-off valve and fitting. Features a pressure-only safety relief valve designed to protect hot water supply systems where high pressure conditions are likely to occur as a result of thermal expansion. 

  • Compatible with PEX, copper, CPVC, PE-RT and HDPE pipe. 
  • Can be installed in wet lines. 
  • Can be rotated for easier installation. 
  • No special tools, crimping, glue or soldering is needed. 
  • Ideal for working in tight spaces. 
  • Remove using a Disconnect Clip or Disconnect Tongs (both sold separately). 
  • 1/2 in. outlet drains at 125 PSI. Rated for 200 psi and 200°F (93°C). 
  • 5-year warranty.
APPROVALS
  • IAPMO/ANSI Z1157
  • CSA B125.3
  • NSF/ANSI/CAN 61
  • NSF/ANSI 372

RATINGS & REVIEWS

See what others are saying about our products.

QUESTIONS & ANSWERS

Get the answers you are looking for from others in our community.

How to Replace An Expansion Tank With The Thermal Expansion Relief Valve