How to Guide

Sales and Specifications • Issue Date November 2019
US Contact: 1-877-700-4242 · [e-mail] · www.cashacme.com
Canadian Contact: 1-888-820-0120 · [e-mail] – www.cashacme.ca
TER-1 Thermal Expansion Relief
Valve
TYPICAL INSTALLATION
The TER-1 is installed on the cold water inlet supply to the water heater with the orientation of
the thermal expansion relief outlet connection horizontal or pointed downward to ensure the
outlet drains dry. For additional information, reference the installation instructions.
SPECIFICATION DATA
Performance:
Maximum inlet pressure ................................. 200 psi
Maximum temperature .................................. 200°F (93°C)
Service. ......................................................... Potable Water
Relief pressure .............................................. 125 psi
Relief discharge connection ........................... ½”
Ball valve connections ................................... ¾”
TER-1 Valve Materials:
Body……………………………………………... Lead Free* DZR Brass
Ball seals ....................................................... PTFE
Stem o-rings .................................................. NBR
Relief cartridge seat disc/diaphragm .............. Silicone
SharkBite
®
Materials:
O-ring……………………………………………. EPDM
Grab ring………………………………………… Stainless steel
Tube support liner……………………………… Polysulfone
CERTIFICATIONS
Certified to IGC 128, IAPMO/ANSI Z1157, NSF/ANSI/CAN 61, NSF/ANSI 372, and CSA B125.3
Listed by IAPMO and CSA
The TER-1 is a thermal expansion control device. It is used to control thermal expansion and
can be found in both the Uniform Plumbing Code (UPC) and the International Plumbing Code
(IPC).
A
3.93"
B
4.69"
C
1.93"
*For all models, surfaces that are in
contact with consumable water contain
less than 0.25% lead by weight.