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- Plumbing
- Check Valves and Backflow Preventers
- Backflow Preventers
WATTS Backflow Preventers
Designed to prevent potable water contamination from the reverse flow of polluted water. Capable of bearing up to 180 psi pressures and have a maximum operating temperature of 180 degrees F
Designed to prevent potable water contamination from the reverse flow of polluted water. Capable of bearing up to 180 psi pressures and have a maximum operating temperature of 180 degrees F
WATTS -
Backflow Preventer Accessories
A
B
C
D
E
F
G
H
I
J
K
L| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 4 909 AGK | €574.20 | |
| B | 909 AGK 4-6 8-10 M1 | €715.99 | |
| B | 909 AGM 8-10 909 | €897.44 | |
| C | RK-SAE-TC 1/8 SAE | €16.23 | |
| D | SAE-TC Brass Cap 1/8 SAE | €6.86 | |
| E | SAE-TC Plastic Cap 1/8 SAE | €6.90 | |
| F | RK-TC-P Plastci Cap Tether 1/8 1/4 NPT | €5.35 | |
| G | SAE-TC-Adapter 1/4 | €105.83 | |
| H | 1/4 LFTC | €127.55 | |
| I | 1/4 LF-TC | €107.12 | |
| J | LFTC 2 1/2-4 | €201.20 | |
| K | LFTC 6-10 | €189.53 | |
| L | 1/8 LF-NPT-TC | €82.87 |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LF850U-QT 1/2 | €467.06 | RFQ |
| A | LF850U-QT 3/4 | €512.19 | RFQ |
| A | LF850U-QT 1 | €559.82 | RFQ |
| A | LF850U-QT 1 1/2 | €1,173.11 | RFQ |
| A | LF850U-QT 2 | €1,367.82 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 880V-LG RP 10 | €21,306.64 | RFQ |
| A | 880V-DNRS RP 6 | €10,436.08 | RFQ |
| A | 880V-NRS RP 10 | €25,400.45 | RFQ |
| A | 880V-DNRS RP 10 | €25,400.45 | RFQ |
| A | 880V-DOSY RP 6 | €10,862.24 | RFQ |
| A | 880V-OSY RP 10 | €26,690.25 | RFQ |
| A | 880V-DOSY RP 10 | €26,690.25 | RFQ |
WATTS -
LF4000B Series Reduced Pressure Zone Backflow Preventer Assemblies
A
B
C
D
E
F| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LF4000BM2-LBV 1 1/2 | €1,541.61 | RFQ |
| B | LF4000BM2-LBV 2 | €1,776.14 | RFQ |
| C | LF4000BM2 3/4 | €961.73 | RFQ |
| D | LF4000B 1/2 | €721.94 | RFQ |
| E | LF4000BM2 1 1/4 | €1,778.06 | RFQ |
| F | LF4000BM2 1 | €1,133.86 | RFQ |
| F | LF4000BM2 1 1/2 | €1,921.78 | RFQ |
| F | LF4000BM2 2 | €2,210.88 | RFQ |
WATTS -
RK-LF007DCDA Series Backflow Preventer Repair Kit
A
B| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LFRK 007DCDA-CK2 2 1/2-3 | €910.69 | RFQ |
| B | LFRK 007DCDA-CK1 2 1/2-3 | €992.82 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 400B 1 1/2 | €1,504.85 | RFQ |
| A | 400B 3/4 | €777.91 | RFQ |
WATTS -
LFM500 Series Reduced Pressure Detector Backflow Preventer Assemblies
AB| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LFM500-OSY-CFM 2 1/2 | €8,477.57 | RFQ |
| A | LFM500N-BFG-GPM 3 | €10,860.58 | RFQ |
| A | LFM500N-BFG-CFM 3 | €10,860.58 | RFQ |
| A | LFM500N-BFG-CFM 2 1/2 | €9,824.47 | RFQ |
| A | LFM500N-BFG-GPM 2 1/2 | €9,824.47 | RFQ |
| A | LFM500Z-OSY-GPM 3 | €10,265.64 | RFQ |
| A | LFM500N-BFG-GPM 6 | €18,482.50 | RFQ |
| A | LFM500N-BFG-CFM 6 | €18,482.50 | RFQ |
| B | LFM500N-BFG-G 4 | €12,653.65 | RFQ |
| A | LFM500Z-BFG-CFM 6 | €18,482.50 | RFQ |
| A | LFM500Z-OSY-CFM 8 | €29,597.52 | RFQ |
| A | LFM500Z-BFG-CFM 2 1/2 | €9,824.47 | RFQ |
| B | LFM500Z-BFG-G 4 | €12,653.65 | RFQ |
| A | LFM500Z-BFG-GPM 2 1/2 | €9,824.47 | RFQ |
| B | LFM500Z-BFG-C 4 | €12,653.65 | RFQ |
| A | LFM500Z-BFG-CFM 3 | €10,860.58 | RFQ |
| A | LFM500Z-BFG-GPM 6 | €18,482.50 | RFQ |
| A | LFM500-DOSY-G 6 | €18,330.43 | RFQ |
| B | LFM500Z-OSY-G 4 | €12,055.39 | RFQ |
| A | LFM500Z-OSY-GPM 8 | €29,597.52 | RFQ |
| A | LFM500-OSY-CFM 3 | €9,368.25 | RFQ |
| A | LFM500-OSY-GPM 6 | €16,219.82 | RFQ |
| A | LFM500-OSY-GPM 8 | €28,012.32 | RFQ |
| A | LFM500-OSY-CFM 4 | €11,047.72 | RFQ |
| A | LFM500-OSY-CFM 6 | €16,219.82 | RFQ |
WATTS -
757 Series Double Check Valve Backflow Preventer Assemblies
AB
C
D| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 757N-NRS 8 | €20,597.61 | RFQ |
| B | 757-BFGXPIV 6 | €7,718.87 | RFQ |
| C | 757-BFG 3 | €3,828.14 | RFQ |
| C | 757-BFG 2 1/2 | €3,652.64 | RFQ |
| A | 757N-NRS 10 | €24,632.24 | RFQ |
| B | 757N-DOSY 8 | €21,258.95 | RFQ |
| D | 757-DOSY 8 | €11,609.55 | RFQ |
| B | 757-BFGXPIV 3 | €4,675.80 | RFQ |
| B | 757-PIVXBFG 3 | €4,675.80 | RFQ |
| B | 757-BFGXPIV 8 | €14,877.92 | RFQ |
| B | 757-PIVXBFG 8 | €14,877.92 | RFQ |
| C | 757-BFG 8 | €11,580.52 | RFQ |
| B | 757-BFGXPIV 4 | €5,068.46 | RFQ |
| A | 757N-NRS 4 | €6,951.85 | RFQ |
| A | 757N-NRS 3 | €5,564.82 | RFQ |
| A | 757N-NRS 6 | €11,335.18 | RFQ |
| A | 757N-NRS 2 1/2 | €5,150.36 | RFQ |
| A | 757-NRS 10 | €18,158.32 | RFQ |
| A | 757-NRS 8 | €14,311.42 | RFQ |
| A | 757-NRS 6 | €7,140.67 | RFQ |
| A | 757-NRS 4 | €4,443.48 | RFQ |
| A | 757-BFG 6 | €6,625.78 | RFQ |
| D | 757-OSY-FXG 2 1/2 | €3,913.73 | RFQ |
| A | 757-NRS 2 1/2 | €3,638.01 | RFQ |
| D | 757-DOSY 4 | €3,776.54 | RFQ |
WATTS -
LF825YA Series Reduced Pressure Zone Backflow Preventer Assemblies
AB| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LF825YA-QT 3/4 | €1,184.05 | |
| B | LF825YA-QT 1 | €1,184.80 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LF870V-DNRS DC 3 | €5,797.09 | RFQ |
| A | LF870V-OSY -DC 2 1/2 | €5,401.06 | RFQ |
| A | LF870V-DOSY DC 4 | €6,383.66 | RFQ |
| A | LF870V-DOSY DC 8 | €19,717.10 | RFQ |
| A | LF870V-DOSY DC 3 | €6,184.78 | RFQ |
| A | LF870V-OSY -DC 8 | €19,717.10 | RFQ |
| A | LF870V-OSY -DC 10 | €27,158.90 | RFQ |
| A | LF870V-OSY -DC 6 | €9,978.22 | RFQ |
| A | LF870V-OSY -DC 4 | €6,383.66 | RFQ |
| A | LF870V-OSY -DC 3 | €6,184.78 | RFQ |
| A | LF870V-DNRS DC 4 | €5,985.94 | RFQ |
| A | LF870V-LG-DC 10 | €16,976.84 | RFQ |
| A | LF870V-LG-DC 8 | €12,327.79 | RFQ |
| A | LF870V-LG-DC 6 | €6,239.92 | RFQ |
| A | LF870V-LG-DC 3 | €3,866.97 | RFQ |
| A | LF870V-LG-DC 2 1/2 | €3,378.98 | RFQ |
| A | LF870V-DNRS DC 10 | €25,462.73 | RFQ |
| A | LF870V-DNRS DC 8 | €18,487.50 | RFQ |
| A | LF870V-DNRS DC 6 | €9,356.55 | RFQ |
| A | LF870V-DOSY DC 6 | €9,978.22 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 876VSTDCDA-DOSY-GPM 2 1/2 | €6,930.10 | RFQ |
| A | 876VSTDCDA-DOSY-CFM 2 1/2 | €6,930.10 | RFQ |
| A | 876VSTDCDA-DOSY-GPM 3 | €7,929.44 | RFQ |
| A | 876VSTDCDA-DOSY-CFM 4 | €8,185.10 | RFQ |
| A | 876VSTDCDA-DOSY-CFM 3 | €7,929.44 | RFQ |
| A | 876VSTDCDA-DOSY-GPM 4 | €8,185.10 | RFQ |
| A | 876VSTDCDA-DOSY-GPM 6 | €12,797.39 | RFQ |
| A | 876VSTDCDA-DOSY-CFM 6 | €12,797.39 | RFQ |
| A | 876VSTDCDA-DOSY-GPM 8 | €25,289.13 | RFQ |
| A | 876VSTDCDA-DOSY-CFM 8 | €25,289.13 | RFQ |
| A | 876VSTDCDA-DOSY-GPM 10 | €34,832.66 | RFQ |
| A | 876VSTDCDA-DOSY-CFM 10 | €34,832.66 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LF880V-DOSY RP 2 1/2 | €7,545.08 | RFQ |
| A | LF880V-LG RP 6 | €9,650.68 | RFQ |
| A | LF880V-OSY RP 8 | €27,029.41 | RFQ |
| A | LF880V-OSY RP 3 | €8,773.35 | RFQ |
| A | LF880V-NRS RP 10 | €34,535.22 | RFQ |
| A | LF880V-NRS RP 8 | €25,340.50 | RFQ |
| A | LF880V-NRS RP 6 | €14,476.84 | RFQ |
| A | LF880V-NRS RP 4 | €9,095.87 | RFQ |
| A | LF880V-NRS RP 3 | €8,225.23 | RFQ |
| A | LF880V-NRS RP 2 1/2 | €7,075.48 | RFQ |
| A | LF880V-LG RP 4 | €6,064.47 | RFQ |
| A | LF880V-DOSY RP 4 | €9,704.14 | RFQ |
| A | LF880V-DNRS RP 10 | €34,533.58 | RFQ |
| A | LF880V-DNRS RP 8 | €25,340.50 | RFQ |
| A | LF880V-DNRS RP 4 | €9,095.87 | RFQ |
| A | LF880V-DNRS RP 3 | €8,225.23 | RFQ |
| A | LF880V-DNRS RP 2 1/2 | €7,075.48 | RFQ |
| A | LF880V-DOSY RP 10 | €36,834.67 | RFQ |
| A | LF880V-DOSY RP 6 | €15,439.42 | RFQ |
| A | LF880V-DOSY RP 8 | €27,029.41 | RFQ |
| A | LF880V-OSY RP 10 | €36,834.67 | RFQ |
A| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 6000HMB-CFM 2 1/2 | €10,609.90 | RFQ |
| A | 6000HMB-GPM | €10,609.90 | RFQ |
WATTS -
M400 Series Reduced Pressure Zone Backflow Preventer Assemblies
A
B| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | M400Z-NRS 2 1/2 | €6,388.66 | RFQ |
| B | M400-DOSY 2 1/2 | €6,380.29 | RFQ |
| A | M400N-NRS 10 | €37,264.52 | RFQ |
| A | M400N-BFG 2 1/2 | €6,973.55 | RFQ |
| A | M400N-BFG 3 | €7,830.83 | RFQ |
| A | M400N-BFG 6 | €15,210.47 | RFQ |
| A | M400N-BFG 4 | €10,118.57 | RFQ |
| A | M400Z-BFG 2 1/2 | €6,973.55 | RFQ |
| A | M400Z-BFG 4 | €10,118.57 | RFQ |
| A | M400Z-BFG 3 | €7,830.83 | RFQ |
| A | M400Z-BFG 6 | €15,210.47 | RFQ |
| A | M400 6 | €6,719.53 | RFQ |
| A | M400 8 | €12,362.91 | RFQ |
| A | M400 12 | €31,324.95 | RFQ |
| A | M400 3 | €2,399.70 | RFQ |
| B | M400-DOSY 3 | €7,179.12 | RFQ |
| A | M400N-NRS 6 | €14,236.19 | RFQ |
| B | M400-DOSY 4 | €9,548.75 | RFQ |
| B | M400N-DOSY 2 1/2 | €7,287.71 | RFQ |
| B | M400Z-DOSY 4 | €10,842.20 | RFQ |
| B | M400N-DOSY 4 | €10,842.20 | RFQ |
| B | M400-DOSY 6 | €14,918.00 | RFQ |
| B | M400N-DOSY 3 | €8,256.99 | RFQ |
| B | M400Z-DOSY 2 1/2 | €7,287.71 | RFQ |
| B | M400N-DOSY 6 | €16,579.10 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | M500-OSY-CFM 2 1/2 | €8,161.72 | RFQ |
| A | M500Z-BFG-LM 3 | €10,300.76 | RFQ |
| A | M500N-DOSY-LM 2 1/2 | €9,861.23 | RFQ |
| A | M500-DOSY-LM 6 | €17,476.51 | RFQ |
| A | M500N-DOSY-LM 3 | €10,989.21 | RFQ |
| A | M500-DOSY-LM 3 | €10,018.30 | RFQ |
| A | M500Z-BFG-LM 4 | €12,025.32 | RFQ |
| A | M500N-BFG-LM 4 | €12,025.32 | RFQ |
| A | M500Z-BFG-LM 1/2 | €9,304.74 | RFQ |
| A | M500N-BFG-LM 3 | €10,300.76 | RFQ |
| A | M500Z-BFG-LM 6 | €17,636.93 | RFQ |
| A | M500Z-OSY-LM 3 | €9,727.52 | RFQ |
| A | M500N-BFG-LM 2 1/2 | €9,304.74 | RFQ |
| A | M500Z-OSY-LM 10 | €42,401.98 | RFQ |
| A | M500Z-OSY-LM 6 | €17,052.04 | RFQ |
| A | M500Z-DOSY-LM 6 | €19,266.36 | RFQ |
| A | M500Z-OSY-LM 4 | €11,452.12 | RFQ |
| A | M500N-BFG-LM 6 | €17,636.93 | RFQ |
| A | M500Z-OSY-LM 8 | €28,348.11 | RFQ |
| A | M500Z-OSY-LM 2 1/2 | €8,728.22 | RFQ |
| A | M500N-OSY-LM 8 | €28,348.11 | RFQ |
| A | M500-OSY-LM 4 | €10,486.22 | RFQ |
| A | M500N-OSY-LM 10 | €42,401.98 | RFQ |
| A | M500N-OSY-LM 3 | €9,727.52 | RFQ |
| A | M500-OSY-LM 10 | €38,321.33 | RFQ |
WATTS -
M300 Series Double Check Detector Backflow Preventer Assemblies
AB| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | M300N-DOSY-G 2 1/2 | €7,976.21 | RFQ |
| A | M300N-DOSY-LM 4 | €10,101.88 | RFQ |
| B | M300-OSY-LM 2 1/2 | €6,505.63 | RFQ |
| B | M300N-BFG-CFM 8 | €20,841.36 | RFQ |
| B | M300N-BFG-GPM 8 | €20,841.36 | RFQ |
| B | M300-BFG-CFM 8 | €19,363.50 | RFQ |
| B | M300-BFG-GPM 8 | €19,363.50 | RFQ |
| A | M300-DOSY-C 8 | €18,857.26 | RFQ |
| A | M300N-BFG-CFM 3 | €8,292.06 | RFQ |
| B | M300-OSY-LM 6 | €10,270.64 | RFQ |
| A | M300N-BFG-CFM 4 | €9,592.20 | RFQ |
| A | M300N-BFG-GPM 4 | €9,592.20 | RFQ |
| A | M300N-BFG-GPM 2 1/2 | €7,563.46 | RFQ |
| A | M300N-BFG-CFM 6 | €12,286.03 | RFQ |
| A | M300N-BFG-CFM 2 1/2 | €7,563.46 | RFQ |
| A | M300-BFG-GPM 6 | €10,924.06 | RFQ |
| A | M300N-BFG-GPM 6 | €12,286.03 | RFQ |
| B | M300-OSY-LM 3 | €7,431.46 | RFQ |
| B | M300N-OSY-LM 3 | €7,636.98 | RFQ |
| A | M300N-BFG-GPM 3 | €8,292.06 | RFQ |
| B | M300N-OSY-LM 8 | €20,176.58 | RFQ |
| B | M300N-BFG-LM 2 1/2 | €7,418.08 | RFQ |
| B | M300N-BFG-LM 4 | €9,445.11 | RFQ |
| B | M300N-BFG-LM 3 | €8,143.34 | RFQ |
| B | M300N-BFG-LM 6 | €12,137.28 | RFQ |
WATTS -
994RPDA Series Reduced Pressure Detector Backflow Preventer Assemblies
A
B
C| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 994RPDA-OSY-GXG-CFM 2 1/2 | €8,709.84 | RFQ |
| B | 994RPDA-OSY-GPM 4 | €10,345.84 | RFQ |
| C | 994RPDA-OSY-FXG-GPM 6 | €14,904.63 | RFQ |
| B | 994RPDA-LF-CFM 2 1/2 | €6,420.42 | RFQ |
| B | 994RPDA-LF-GPM 2 1/2 | €6,420.42 | RFQ |
| B | 994RPDA-LF-CFM 3 | €7,133.99 | RFQ |
| B | 994RPDA-LF-GPM 3 | €7,133.99 | RFQ |
| B | 994RPDA-OSY-CFM 2 1/2 | €8,138.31 | RFQ |
| B | 994RPDA-OSY-CFM 3 | €9,042.39 | RFQ |
| B | 994RPDA-LF-GPM 4 | €8,161.72 | RFQ |
| A | 994RPDA-OSY-GXG-GPM 6 | €15,949.10 | RFQ |
| B | 994RPDA-LF-CFM 6 | €11,823.11 | RFQ |
| B | 994RPDA-LF-GPM 6 | €11,823.11 | RFQ |
| A | 994RPDA-LF-CFM 8 | €22,562.90 | RFQ |
| A | 994RPDA-DOSY-CFM 2 1/2 | €8,709.84 | RFQ |
| A | 994RPDA-DOSY-CFM 4 | €11,069.47 | RFQ |
| A | 994RPDA-DOSY-CFM 3 | €9,674.06 | RFQ |
| A | 994RPDA-DOSY-CFM 6 | €15,949.10 | RFQ |
| C | 994RPDA-OSY-GXF-GPM 6 | €14,904.63 | RFQ |
| C | 994RPDA-OSY-FXG-CFM 6 | €14,904.63 | RFQ |
| C | 994RPDA-OSY-GXF-CFM 2 1/2 | €8,138.31 | RFQ |
| A | 994RPDA-OSY-GXG-GPM 3 | €9,674.06 | RFQ |
| A | 994RPDA-OSY-GXG-GPM 2 1/2 | €8,709.84 | RFQ |
| C | 994RPDA-OSY-FXG-CFM 2 1/2 | €8,138.31 | RFQ |
| C | 994RPDA-OSY-GXF-GPM 2 1/2 | €8,138.31 | RFQ |
WATTS -
994 Series Reduced Pressure Zone Backflow Preventer Assemblies
A
B
CD
E| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 994-LF 2 1/2 | €4,931.46 | RFQ |
| B | 994-NRS 4 | €8,096.55 | RFQ |
| C | 994-DOSY 8 | €25,588.47 | RFQ |
| C | 994-DOSY 10 | €34,970.21 | RFQ |
| D | 994-DNRS 8 | €24,153.23 | RFQ |
| C | 994-DOSY 6 | €14,657.34 | RFQ |
| D | 994-DNRS 6 | €13,796.69 | RFQ |
| D | 994-DNRS 4 | €8,664.71 | RFQ |
| D | 994-DNRS 2 1/2 | €6,702.83 | RFQ |
| C | SR994-OSY 10 | €36,018.51 | RFQ |
| C | SR994-OSY 8 | €26,353.79 | RFQ |
| C | SR994-OSY 4 | €9,488.56 | RFQ |
| B | 994-NRS 10 | €29,998.11 | RFQ |
| D | 994-NRS-S 8 | €28,285.03 | RFQ |
| E | 994-LF 4 | €6,610.93 | RFQ |
| C | 994-OSY-FXG 10 | €32,681.05 | RFQ |
| A | 994-LF 3 | €5,609.90 | RFQ |
| C | 994-OSY-GXF 10 | €32,681.05 | RFQ |
| C | 994-OSY-FXG 8 | €23,981.10 | RFQ |
| C | 994-OSY-FXG 6 | €13,698.12 | RFQ |
| C | 994-OSY-GXF 6 | €13,698.12 | RFQ |
| C | 994-OSY-GXF 8 | €23,981.10 | RFQ |
| C | 994-OSY-FXG 4 | €8,607.91 | RFQ |
| C | 994-OSY-GXF 4 | €8,607.91 | RFQ |
| C | 994-OSY-GXF 3 | €7,784.07 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 994HMB-GPM 2 1/2 X 3 | €14,460.14 | RFQ |
| A | 994HMB-CFM 2 1/2 X 3 | €14,460.14 | RFQ |
| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | 856DCDA-OSY-CFM 2 1/2 | €4,966.53 | RFQ |
| A | D856DCDA-OSY-GPM 6 | €8,226.87 | RFQ |
| A | D856DCDA-OSY-GPM 4 | €5,324.17 | RFQ |
| A | 856DCDA-OSY-CFM 4 | €5,324.17 | RFQ |
| A | D856DCDA-OSY-CFM 8 | €14,171.05 | RFQ |
| A | D856DCDA-OSY-GPM 8 | €14,171.05 | RFQ |
WATTS -
LF7R Series Dual Check Backflow Preventers
A
B
C
DE
F
G
H
I
J
K
L
M
N
O| Style | Model | Price (ex. VAT) | |
|---|---|---|---|
| A | LF7R10-U2 1 X 3/4 | €125.74 | |
| B | LF7RU2-2 1/2 X 1/2 | €103.19 | |
| C | LF7RU2-2 3/4 X 3/4 | €111.96 | |
| D | LF7R 1 | €22.98 | |
| E | LF7R 3/4 | €22.98 | |
| F | LF7R 1/2 | €22.98 | |
| E | LF7RU3-2 3/4 X 3/4 | €141.89 | |
| E | LF7RU4-2 1 X 3/4 | €180.03 | |
| G | LF7R-2-U2 1 X 1 | €127.00 | |
| G | LF7RU2-U2 1 X 1 | €156.67 | |
| H | LF7RU2-2 1 X 1 | €122.42 | |
| E | LF7R-3-U2 3/4 X 3/4 | €133.76 | |
| I | LF7RU2-U2 1/2 X 1/2 | €127.00 | |
| J | LF7RU4-2 1 X 1 | €169.21 | |
| E | LF7RU4-3 1 X 3/4 | €128.23 | |
| E | LF7RU2-U2 3/4 X 3/4 | €131.20 | |
| E | LF7RU2-3 3/4 X 3/4 | €116.54 | |
| K | LF7R10-U2 1 X 1 | €114.05 | |
| L | LF7RU2-2 3/4 X 1 | €132.43 | |
| E | LF7RU2-2 1/2 X 3/4 | €122.00 | |
| M | LF7RU4-5 1 X 1 | €128.68 | |
| N | LF7R10-U3 1 X 3/4 | €149.98 | |
| O | LF7RU2-2 | €149.19 |
Features
- Watts backflow preventers feature a compact, modular design for installation in tight spaces.
- Their single-cover, top-entry facility permits easy access for maintenance purposes.
- They are capable of bearing up to 180 psi pressures and have a maximum operating temperature of 180 degrees F.
- They come equipped with replaceable seats and seat discs. They do not require any special tools for servicing.
Frequently Asked Questions
How does backflow occur?
Backflow is generated by cross-connections that have the possibility of permitting pollutants into the drinking water system. Back siphonage can happen when the pressure in a tank is less than the water system's pressure.
Can check valves prevent backflow?
Check valves offer a basic form of backflow prevention, stopping water from flowing in the wrong direction.
Are dual check valves the same as backflow preventers?
Double-check valves (also known as double-check assembly) are somewhere in between a check valve and a backflow preventer. They are usually installed in places where backflow requires to be contained with a one-way valve, but the investment needs to be less than a backflow preventer.
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