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Product Specifications:
| Item | Pressure Relief Valve |
| Application | Hydronics/Steam Heating |
| Body Material | Bronze |
| Connection Type | NPT |
| Cross Reference | 0182421 |
| Factory Set Pressure | 50 psi |
| For Media | Water |
| Hydronic Item Type | Low Water Cut Off |
| Lead Free | No |
| Max. Steam Pressure | 50 psi |
| Max. Working Pressure | 50 psi |
| Operating Pressure Range | 50 psi to 50 psi |
| Operating Temperature Range | 250°F |
| Overall Height | 6" |
| Series | SAN50 Series |
Shipping Info:
| Ship weight (kg) | 0.95 |
| Ship height (cm) | 15.24 |
| Country of Origin | US |
Product Variants
| Product | Model | Overall Height | Factory Set Pressure | Pressure Range | Inlet Thread Type | Inlet Connection Size | Inlet Connection Type | Outlet Connection Size | Connection Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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174-Z3-T 075 | - | - | 30 psi to 150 psi | NPT | - | Female Threaded | - | - | €669.28 | |
![]() |
LFN30 5-30 1/2 | - | - | 5 psi to 30 psi | NPT | 1/2" | Male Threaded | - | - | €572.24 | |
![]() |
LFF116-23 0-30 1 1/4 | - | - | - | - | - | - | - | - | €3,442.43 | RFQ
|
![]() |
LF174A-125 1 | - | - | 50 psi to 150 psi | NPT | 1" | Female Threaded | 1" | - | €1,331.26 | |
![]() |
LF174A-75 1 | 5 3/4" | 75 psi | 30 psi to 150 psi | NPT | 1" | Female Threaded | 1" | Fnptf x FNPTF | €1,648.19 | |
![]() |
LF174A-100 1 1/4 | 8 1/2" | 100 psi | 30 psi to 150 psi | NPT | 1 1/4" | Female Threaded | 1 1/4" | Fnptf x FNPTF | €2,193.64 | |
![]() |
LF174A-125 1 1/4 | 8 1/2" | 125 psi | 30 psi to 150 psi | NPT | 1 1/4" | Female Threaded | 1 1/4" | Fnptf x FNPTF | €1,895.84 |
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WATTS SAN50-D 0182421 Pressure Relief Valve, NPT, Bronze, 50 PSI Max. Op Pressure, 250 Deg F
€2,154.63 /unit




