FWL-2 and FWOL Pressure Only Safety Relief Valves
Bronze body, brass and stainless steel internal parts, silicone seat disc, and stainless steel spring. Test
lever is standard on the FWL-2. Male inlet and female outlet. Automatic reseating after pressure relief.
Compact and economical. The FWOL is available without the lift lever.

Applications:

Tankless water heaters or water heaters.

Sizes:

1/2" and 3/4"

Approvals:

The FWL-2 is design certified per ANSI Z21.22 and CSA 4.4 and is capacity certified to ASME Section IV and
CSA. The 1/2" size is CSA only.
NCLX Domestic Temperature and Pressure Relief Valves
The NCLX incorporates an inert thermal element coating that provides effective isolation from mineral
deposits (liming). Cast bronze body with male inlet and female outlet, brass and stainless steel internal
parts, silicone seat disc and stainless steel spring. Test lever standard. Temperature relief setting is
210°F (99°C).

Applications:
Temperature and pressure protection for domestic water heaters and storage tanks.

Sizes:

Inlet/Outlet:
1/2" or 3/4"

Element extensions:

1-5/16" to 7-7/8"

Inlet Shank:

6 lengths to accomodate different thicknesses of heater insulation.

Approvals:

The NCLX valves are certified to ANSI Z21.22 / CSA 4.4 and capacity certified to ASME Boiler Code Section
IV (1/2" sizes ANSI / CSA listed only).
BTU RATINGS
SPECIFICATIONS
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