FREE delivery on orders over €150
Product Specifications:
| Item | Pressure Relief Valve |
| Application | Hot Water Space Heating Boiler |
| Asme Section Code | Section Xiii |
| Body Material | Iron |
| Buy American Act Compliant | No |
| Connection Type | Fnptf x FNPTF |
| Discharge Capacity | 1750000 btuH |
| Factory Set Pressure | 45 psi |
| For Media | Water |
| Inlet Connection Size | 1" |
| Inlet Size | 1" |
| Inlet Thread Type | NPT |
| Inlet Type | Female Threaded |
| Lead Free | Not In Scope |
| Max. Temp. | 250°F |
| Operating Pressure Range | 30 psi to 75 psi |
| Operating Temperature Range | -40°F to +250°F |
| Outlet Connection Thread Type | Female Threaded |
| Outlet Size | 1 1/4" |
| Outlet Thread Type | NPT |
| Outlet Type | Female Threaded |
| Overall Height | 7 1/4" |
| Overall Width | 3 1/2" |
| Pressure Range | 30 psi to 75 psi |
| Pressure Relief Setting | 45 psi |
| Product Datasheet | watts-740-075-1.pdf |
| Product Type | Pressure Relief Valve |
| Relief Valve Pressure | 45 psi |
| Series | 740 Series |
Shipping Info:
| Ship weight (kg) | 1.49 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Details:
Pressure Relief Valve, 1 Inch Inlet, 250 Deg. F, 45 Psi Relief Pressure
Documentation:
Product Variants
| Product | Model | Factory Set Pressure | Discharge Capacity | Inlet Size | Outlet Size | Relief Valve Pressure | Overall Height | Overall Width | Connection Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
740-060 2 | 60 psi | 8883000 btuH | 2" | 2 1/2" | 60 psi | 11 3/4" | 6 3/4" | Fnptf x FNPTF | €2.48 |
Explore Products
- GATES 734702945 Coupling
- VERMONT GAGE 911165400 Pin Gage, Class ZZ, Go, BG, 0.654 Inch Size
- AIR HANDLER 6B893 Carbon Impregnated Filter 16 x 25 x 2
- BLACKBURN (T&B) ASP20 Type ASP Aluminum Splice, Wire Size Max 35kV, Length 2-1/2 Inch
- DORIAN VCGX-221-UEFL-DNU25GT
- ZSI-FOSTER S3012R-AL Rail Mount, 3/4 Inch Tube Size, Aluminium
- APPROVED VENDOR 3MRN5 Grommet Buna-n Ms 35489-135
Explore More
- KEYSHAFT
- MOVINCOOL
- MR. CHAIN
- GASTEC
- ATTABOX
- Patch Cords
- Micrometers
- Trailer Stabilizing Jacks
- Sight Plugs
- Phase Converters
- MAYHEW TOOLS Cape Chisels
- HELICOIL Spiral Point Plug Taps, UNC, 3B
- BERKSHIRE CORPORATION BCR Nylon Full Finger Gloves
- MUELLER INDUSTRIES 165-N Iron Body Simplex Basket Strainers
- ANVIL AS1911 Series Pipe Rollers
- SPEEDAIRE Reciprocating Air Saws
- DAYTON General Purpose Motor Carbon Steel Tefc
- SPEARS VALVES PVC 125 PSI PIP Fabricated Fitting 30 Deg. Elbows, Gasket x Spigot
- PROTO Torx Impact Socket, 1/4 Inch, Imperial, Alloy Steel
- LS ELECTRIC L7C/L7P Series System EMI Filters
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
WATTS 740-045 1 0382818 Pressure Safety Relief Valve, 1 Inch Size, 45 psi, 1,750,000 Btu
€1,255.56 /unit
