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Product Specifications:
| Item | Air Vent |
| Air Vent Connection Gender | Not Applicable |
| Air Vent Connection Size | Not Applicable |
| Air Vent Connection Type | Not Applicable |
| Air Venting | Automatic |
| Application | Air Removers |
| Body Material | Brass |
| Body Style | Vertical |
| Bottom Tapping | Yes |
| Bottom Tapping Size | 1" |
| Buy American Act Compliant | No |
| Cap Material | Brass |
| Configuration | One Port |
| Contact Rating | Not Applicable |
| Cross Reference | 0590721 |
| Fastfill Feature | No |
| Fill Tapping Size | Not Applicable |
| Float Chamber Connection Size | Not Applicable |
| Float Material | Polyethylene |
| Flow Rate | Not Applicable |
| For Media | Water |
| Height | 3 1/2" |
| Hydronic Item Type | Air Vent |
| Includes Expansion Tank Port | Expansion Tank Connection Not Included |
| Inlet Connection Type | Male Threaded, NPT |
| Inlet Gender | Male |
| Inlet Pipe Size | 1" |
| Inlet Port Connection Gender | Male |
| Inlet Port Connection Size | 1" |
| Inlet Port Location | Bottom |
| Inlet Size | 1" |
| Inlet Thread Type | NPT |
| Inlet Type | Male Threaded |
| Installation Orientation | Vertical |
| Lead | Present |
| Lead Free | No |
| Manufacturer Series | FV-4 |
| Max. Operating Pressure | 150 psi |
| Max. Operating Temp. | 240°F |
| Max. Pressure | 150 psi |
| Max. Temp. | 240°F |
| Max. Water Pressure | 150 psi |
| Max. Working Pressure | 150 psi |
| Minimum Water Pressure | 1.45 psi |
| Minimum Working Pressure | 1.45 psi |
| Number Of Inlet Ports | 1 |
| Operating Pressure - Minimum | 1.45 psi |
| Outlet Connection Size | Not Applicable |
| Outlet Connection Thread Type | Not Applicable |
| Outlet Port Connection Gender | Not Applicable |
| Outlet Port Connection Size | Not Applicable |
| Outlet Thread Type | Not Applicable |
| Overall Depth | 3 1/2" |
| Overall Length | 3 1/2" |
| Overall Width | 1 3/8" |
| Pipe Plug | No |
| Plug | No |
| Port Types Included | Air Vent, Inlet, Outlet |
| Pressure Adjustment Range | Not Applicable |
| Pressure Relief Setting | 9999 psi |
| Pressure Steam Discharge Capacity | Not Applicable |
| Product Datasheet | watts-fv-4m1-3-4.pdf |
| Product Type | Air Vent |
| Purge And Drain Dia. | Not Applicable |
| Purge And Drain Outlet Size | Not Applicable |
| Purge And Drain Outlet Type | Not Applicable |
| Release Method | Automatic |
| Relief Port Location | Top |
| Relief Pressure | 9999 psi |
| Secondary Inlet Port Connection Gender | Not Applicable |
| Secondary Inlet Port Connection Size | Not Applicable |
| Secondary Inlet Port Connection Type | Not Applicable |
| Series | FV-4 |
| Strainer | No |
| Strainer Material | Not Applicable |
| Switch Type | Not Applicable |
| Temp. Range | 33°F to 240°F |
| Temperature Adjustment Range | Not Applicable |
| Top 1 Tapping Size | Not Applicable |
| Top 2 Tapping Size | Not Applicable |
| Top Tapping | No |
| Vacuum Breaker | Yes |
| Venting Capacity | 0.5 SCFM At 25 psi |
| Width | 569014" |
Shipping Info:
| Ship weight (kg) | 0.3 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 4.45 |
| Ship width (cm) | 8.89 |
| HS code | 8481809015 |
| Country of Origin | IT |
Documentation:
Product Variants
| Model | Inlet Size | Bottom Tapping Size | Height | Max. Operating Temp. | Body Material | Max. Pressure | Outlet Size | Outlet Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| FV-4M1 3/4 | 20 mm | 3/4" | 3 3/8" | 240°F | Brass | 150 psi | Not Applicable | Not Applicable | €66.66 | |
| FV-4M1 1/2 | 15 mm | 1/2" | 3.312" | 240°F | Brass | 150 psi | Not Applicable | Not Applicable | €55.04 | |
| FV-4M1 1/4 | 8 mm | 1/4" | - | 240°F | Brass | 150 psi | Not Applicable | Not Applicable | €40.53 | |
| FV-4M1 1/8 | 1/8" | 1/8" | - | 240°F | Brass | 150 psi | - | - | €28.41 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
WATTS FV-4M1 1 0590721 Air Vent, Inlet Size 1 Inch, Max. Pressure 150 Psi
€54.78 /unit

