WATTS LF40XL-8 150210 3/4 0121421 Pressure Safety Relief Valve, 150 psi, 3/4 Inch Size, 1,437,600 Btu
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Product Specifications:
| Item | Temperature and Pressure Relief Valve |
| Application | Hot Water Supply Tanks, Water Heaters |
| Asme Section Code | Section Xiii |
| Body Height | 5 5/8" |
| Body Material | Copper Silicon Alloy |
| Buy American Act Compliant | Yes |
| Connection Type | MNPTF x FNPTF |
| Cross Reference | 0121421 |
| Discharge Capacity | 1437600 btuH |
| Factory Set Pressure | 150 psi |
| For Media | Water |
| Gpm-when Relieved | Not Applicable |
| Inlet Connection Size | 3/4" |
| Inlet Size | 3/4" |
| Inlet Thread Type | NPT |
| Inlet Type | Male Threaded |
| Lead | Not Present |
| Lead Free | Yes |
| Max. Operating Pressure | 150 psi |
| Max. Operating Temperature | 210°F |
| Max. Temp. | 210°F |
| Maximum Working Pressure | 113 psi |
| Min. Operating Pressure | 75 psi |
| Min. Operating Temperature | -40°F |
| Outlet Connection Thread Type | Female Threaded |
| Outlet Size | 3/4" |
| Outlet Thread Type | NPT |
| Outlet Type | Female Threaded |
| Preset Temperature | 210°F |
| Pressure Range | 75 psi to 150 psi |
| Pressure Relief Setting | 150 psi |
| Product Datasheet | watts-lf174a-110-2.pdf |
| Protection Type | Temperature, Pressure |
| Relief Valve Pressure | 150 psi |
| Series | LF40L Series |
| Shank Length | Not Applicable |
| Temperature Relief | 210°F |
| Thermostat Length | 8" |
| Thermostat Material | Copper |
| Thermostat Probe Length | 8" |
Shipping Info:
| Ship weight (kg) | 0.8 |
Product Details:
Temperature And Pressure Relief Valve, 3/4 Inch Size, 150 Psi Relief Pressure
Documentation:
Product Variants
| Product | Model | Body Material | Discharge Capacity | Inlet Size | Outlet Size | Relief Valve Pressure | Max. Temp. | Factory Set Pressure | Connection Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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LF40XL 100-210 3/4 | Lead Free Brass | - | 3/4" | 3/4" | 100 psi | 210°F | - | - | €602.06 | |
![]() |
LF40L 150-210 3/4 | Lead Free Brass | - | 3/4" | 3/4" | 150 psi | 210°F | - | - | €547.03 | |
![]() |
LF40L 125-210 1 | Lead Free Brass | 1218000 btuH | 1" | 1" | 125 psi | 210°F | - | - | €940.50 | |
![]() |
LF40XL-8 100-210 3/4 | Lead Free Brass | - | 3/4" | 3/4" | 100 psi | 210°F | - | - | €401.11 | |
![]() |
LF40XL7 75-210 1 | Lead Free Brass | 1155000 btuH | 1" | 1" | 75 psi | 210°F | - | - | €960.14 | |
![]() |
LF40XL-125210 3/4 | - | - | - | - | - | - | - | - | - | RFQ
|
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WATTS LF40XL-8 150210 3/4 0121421 Pressure Safety Relief Valve, 150 psi, 3/4 Inch Size, 1,437,600 Btu




