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Temperature & Pressure Relief Valves

Commercial, Residential
FWL
FWL
FWL

The FWL-2 is a pressure only 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 FWL-2 is fitted with a bronze body, brass and stainless steel internal parts, a silicone seat disc and a stainless steel pressure spring.The FWL-2 is compact and economical. The standard factory relief settings for 1/2″ and 3/4″ are 75, 125 or 150 psi.

Application: Commercial and domestic hot water heating applications.
Approvals and Listings: CSA Listed to ANSI Z21.22/CSA 4.4 NB listed to ASME Boiler Code Section IV (FWOL are not Listed; 1/2" sizes are CSA Listed Only)

Product Options

Size
Model
Lead Free
Standard Part #
Factory Setting
BIM
1/2"
FWL-2 CSA ONLY
14721
150 PSI
1/2"
FWOL PRESSURE ONLY WITHOUT LIFT LEVER, MALE INLET/FEMALE OUTLET, NON-CODE
22862
125 PSI
1/2"
FWOL PRESSURE ONLY WITHOUT LIFT LEVER, MALE INLET/FEMALE OUTLET, NON-CODE
22863
100 PSI
1/2"
FWOL PRESSURE ONLY WITHOUT LIFT LEVER, MALE INLET/FEMALE OUTLET, NON-CODE
22864
75 PSI
3/4"
FWL-2
23343
150 PSI
3/4"
FWL-2
14737
150 PSI
3/4"
FWOL PRESSURE ONLY WITHOUT LIFT LEVER, MALE INLET/FEMALE OUTLET, NON-CODE
22834
125 PSI
3/4"
FWOL PRESSURE ONLY WITHOUT LIFT LEVER, MALE INLET/FEMALE OUTLET, NON-CODE
22835
100 PSI
3/4"
FWOL PRESSURE ONLY WITHOUT LIFT LEVER, MALE INLET/FEMALE OUTLET, NON-CODE
22836
75 PSI
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