How to Guide
Sales and Specifications • Issue Date November 2019
US Contact: 1-877-700-4242 · sales@cashacme.com · www.cashacme.com
Canadian Contact: 1-888-820-0120 · canadasales@rwc.com – www.cashacme.ca
TER-1 Thermal Expansion Relief
Valve
DESCRIPTION
The SharkBite TER-1 Thermal Expansion Relief Valve prevents excessive pressure building up
in a closed loop plumbing system. The TER-1 combines a full port ball valve with a pressure
relief valve and can be installed in place of an expansion tank.
The relief valve on the TER-1 is factory set to relief pressure at 125 psi. This valve is intended
for use where supply line pressure does not exceed 200 psi when isolated, and is suited for
either cold or hot (to 180°F) water service.
FEATURES AND BENEFITS
Instant push-fit connections for increased ease of use:
No soldering, glue or tools required to make connection.
Replace an expansion tank, shut-off valve, and fitting with one product:
Less joints and potential leak paths.
Certified to IGC 128, IAPMO/ANSI Z1157, NSF/ANSI/CAN 61, NSF/ANSI 372, and CSA
B125.3 Listed by IAPMO and CSA.
Inspector friendly for peace of mind.
Found in the International Plumbing Code and Uniform Plumbing Code:
Can be installed in the water line without special support brackets.
Every valve is tested for performance prior to shipping:
Specify and install with confidence.
Assembled and tested in the USA:
Prepared in our manufacturing plant in Cullman, Alabama.
SPECIFICATION
A thermal expansion control device shall be installed to relieve excess pressure in a closed loop
water system. The valve shall be approved in accordance with IGC 128, CSA 125.3, and
IAPMO/ANSI Z1157. The valve shall be certified to NSF/ANSI/CAN 61 and NSF/ANSI 372. The
valve shall have a brass body with a relief valve twist knob with integral SharkBite push-to-
connect ends. The valve shall be used on copper tubing, and CTS CPVC and PEX. The valve
shall be a TER-1 Thermal Expansion Relief Valve.
25704LF