How to Guide

Specifications: BD001 • Issue Date May 2014
2400 7th Avenue S.W · Cullman · Alabama 35055 · USA · www.cashacme.com
US Contact: 1-877-700-4242 · [e-mail] · Canadian Contact: 1-888-820-0120 · [e-mail]
A Division of Reliance Worldwide Corporation
FWL-2 Pressure-Only Relief Valve
DESCRIPTION
The Cash Acme FWL-2 is a pressure only safety relief valve designed specifically for the
protection of hot water supply systems where over-pressure conditions are likely to occur as a
result of thermal expansion.
Completely automatic, the FWL-2 reseats after pressure relief. The valve may be installed
directly on the tank or in a tee and is appropriate for either side (hot or cold) of the water
heater.
The Cash Acme FWL-2 is compact and economical. It is available in 1/2" and 3/4" sizes with a
male inlet and female outlet.
The standard factory relief setting for the Cash Acme FWL-2 is 150 psi. Relief settings of
75 psi and 125 psi are also available.
The Cash Acme FWL-2 is fitted with a bronze body and has brass and stainless steel internal
parts, a silicone seat disc, and a stainless steel pressure spring.
A Lead Free* version of the 3/4" size is also available.
FEATURES AND BENEFITS
Specifically for the protection of hot water supply systems:
Offers protection from over-pressure conditions that are likely to occur as a result of
thermal expansion.
Compact and economical:
Saves space and money!
Every valve is tested for performance prior to shipping:
Specify and install with confidence!
SPECIFICATIONS
A pressure only relief valve shall be installed to protect the system. The valve shall be ASME
(applicable to 3/4” size only) and CSA listed and shall be design certified per ANSI Z21.22/CSA
4.4. The valve shall be a Cash Acme FWL-2 Pressure-Only Relief Valve.
* A device is defined as Lead Free if its normally wetted surface has a weighted average lead
content not exceeding 0.25%.