FVX/FVMX Temperature & Pressure Relief Valve
The FVX Series combination temperature and pressure relief valves are designed to offer high capacity protection for domestic and commercial hot water heaters and heating devices. The FVX Series Valves are fully automatic with the valves resetting after either temperature or pressure relief.
The larger FVX Series Valves are well suited for such commercial applications as restaurants, hospitals, and laundries.
All FVX Series valves through 1-1/4″ have coated thermal elements that protect against mineral build-up. The 1-1/2″ and 2″ valves have stainless steel elements. The FVX Series Valves are available with male (FVMX) or female (FVX) inlet connections and female only outlet connections.
Lead Free versions of most valve models are also available.
| SKU | Size | Description | Lead Free | Factory Setting |
|---|---|---|---|---|
| 23258-0125 New | 3/4 in. |
FVX-3C Female Inlet |
125 psi | |
| 16930-0125 New | 3/4 in. |
FVX-3C Female Inlet |
125 psi | |
| 16931-0125 New | 3/4 in. |
FVX-5C Female Inlet |
125 psi | |
| 16933-0075 New | 3/4 in. |
FVMX-3C Male Inlet |
75 psi | |
| 16933-0125 New | 3/4 in. |
FVMX-3C Male Inlet |
125 psi | |
| 23274-0125 New | 3/4 in. |
FVMX-3C Male Inlet |
125 psi | |
| 16934-0125 New | 3/4 in. |
FVMX-5C Male Inlet |
125 psi | |
| 16934-0100 New | 3/4 in. |
FVMX-5C Male Inlet |
100 psi | |
| 23255-0125 New | 3/4 in. |
FVMX-5C Male Inlet |
125 psi | |
| 24390-0150 New | 3/4 in. |
FVMX-5LS Male Inlet, Long Shank |
150 psi | |
| 23275-0125 New | 3/4 in. |
FVMX-8C Male Inlet |
125 psi | |
| 23257-0125 New | 1 in. |
FVX-5L Female Inlet |
125 psi | |
| 15638-0100 New | 1 in. |
FVX-5L Female Inlet |
100 psi | |
| 16937-0125 New | 1 in. |
FVX-5C Female Inlet |
125 psi | |
| 16938-0125 New | 1 in. |
FVMX-3C Male Inlet |
125 psi | |
| 16939-0125 New | 1 in. |
FVMX-5C Male Inlet |
125 psi | |
| 23276-0125 New | 1 in. |
FVMX-5C Male Inlet |
125 psi | |
| 16939-0100 New | 1 in. |
FVMX-5C Male Inlet |
100 psi | |
| 23258-0150 | 3/4 in. |
FVX-3C Female Inlet |
150 psi | |
| 16930-0150 | 3/4 in. |
FVX-3C Female Inlet |
150 psi | |
| 23256-0150 | 3/4 in. |
FVX-5C Female Inlet |
150 psi | |
| 16931-0150 | 3/4 in. |
FVX-5C Female Inlet |
150 psi | |
| 23355-0150 | 3/4 in. |
FVX-8C Female Inlet |
150 psi | |
| 16932-0150 | 3/4 in. |
FVX-8C Female Inlet |
150 psi | |
| 23274-0150 | 3/4 in. |
FVMX-3C Male Inlet |
150 psi | |
| 16933-0150 | 3/4 in. |
FVMX-3C Male Inlet |
150 psi | |
| 23255-0150 | 3/4 in. |
FVMX-5C Male Inlet |
150 psi | |
| 16934-0150 | 3/4 in. |
FVMX-5C Male Inlet |
150 psi | |
| 20682-0150 | 3/4 in. |
FVMX-5LS Male Inlet, Long Shank |
150 psi | |
| 23275-0150 | 3/4 in. |
FVMX-8C Male Inlet |
150 psi | |
| 16935-0150 | 3/4 in. |
FVMX-8C Male Inlet |
150 psi | |
| 23260-0150 | 3/4 in. |
FVMX-1LS Male Inlet, Long Shank |
150 psi | |
| 20113-0150 | 3/4 in. |
FVMX-1LS Male Inlet, Long Shank |
150 psi | |
| 23259-0150 | 1 in. |
FVX-3C Female Inlet |
150 psi | |
| 16936-0150 | 1 in. |
FVX-3C Female Inlet |
150 psi | |
| 23257-0150 | 1 in. |
FVX-5L Female Inlet |
150 psi | |
| 15638-0150 Discontinued | 1 in. |
FVX-5L Female Inlet |
150 psi | |
| 23931-0150 Discontinued | 1 in. |
FVX-5C Female Inlet |
150 psi | |
| 16937-0150 | 1 in. |
FVX-5C Female Inlet |
150 psi | |
| 23273-0150 | 1 in. |
FVX-8L Female Inlet |
150 psi | |
| 17354-0150 Discontinued | 1 in. |
FVX-8L Female Inlet |
150 psi | |
| 23253-0150 | 1 in. |
FVMX-3C Male Inlet |
150 psi | |
| 16938-0150 | 1 in. |
FVMX-3C Male Inlet |
150 psi | |
| 23276-0150 | 1 in. |
FVMX-5C Male Inlet |
150 psi | |
| 16939-0150 | 1 in. |
FVMX-5C Male Inlet |
150 psi | |
| 22894-0150 | 1 in. |
FVMX-4LS Male Inlet, Long Shank |
150 psi | |
| 23934-0150 | 1-1/4 in. x 1 in. |
FVMX-4L Male Inlet |
150 psi | |
| 15672-0150 | 1-1/4 in. x 1 in. |
FVMX-4L Male Inlet |
150 psi | |
| 23935-0150 | 1-1/2 in. |
FVX-4 Female Inlet |
150 psi | |
| 16221-0150 Discontinued | 1-1/2 in. |
FVX-4 Female Inlet |
150 psi | |
| 23936-0150 Discontinued | 2 in. x 1-1/2 in. |
FVMX-3 Male Inlet |
150 psi | |
| 16225-0150 Discontinued | 2 in. x 1-1/2 in. |
FVMX-3 Male Inlet |
150 psi |
Common Applications
- Commercial and domestic hot water heating applications
Approvals & Listings
- CSA Listed to ANSI Z21.22/CSA 4.4
- Certified to ASME Boiler and Pressure Vessel Code Section XIII for Section IV (HV Designator) applications
- Lead Free Valves are CSA certified to NSF/ANSI/CAN 372