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Product Specifications:
| Item | Air Separator |
| Air Vent Connection Gender | Female |
| Air Vent Connection Size | 1 1/2" |
| Air Vent Connection Type | NPT |
| Application | Air Removers |
| Body Material | Cast Iron |
| Buy American Act Compliant | No |
| Configuration | In-Line |
| Cross Reference | 0858537 |
| Expansion Tank Connection Gender | Female |
| Expansion Tank Connection Size | 1/2" |
| Expansion Tank Connection Type | NPT |
| Flow Rate | Not Applicable |
| For Media | Water |
| Height | 5.437" |
| Hydronic Item Type | Air Separator |
| Includes Expansion Tank Port | Expansion Tank Connection Included |
| Inlet Connection Size | 1 1/2" |
| Inlet Port Connection Gender | Female |
| Inlet Port Connection Size | 1 1/2" |
| Inlet Port Connection Type | NPT |
| Inlet Size | 1 1/2" |
| Inlet Type | Female Threaded |
| Installation Orientation | Horizontal |
| Lead Free | Not In Scope |
| Manufacturer Series | AS |
| Max. Operating Pressure | 80 psi |
| Max. Operating Temp. | 275°F |
| Max. Pressure | 80 psi |
| Max. Temp. | 275°F |
| Max. Water Pressure | 80 psi |
| Max. Working Pressure | 80 psi |
| Number Of Inlet Ports | 1 |
| Number Of Outlet Ports | 1 |
| Outlet Connection Thread Type | Female Threaded |
| Outlet Port Connection Gender | Female |
| Outlet Port Connection Size | 1 1/2" |
| Outlet Port Connection Type | NPT |
| Outlet Size | 1 1/2" |
| Outlet Type | Female Threaded |
| Overall Depth | 5 7/16" |
| Overall Length | 5 7/16" |
| Overall Width | 3" |
| Port Types Included | Air Vent, Expansion Tank, Inlet, Outlet |
| Pressure Steam Discharge Capacity | Not Applicable |
| Product Type | Air Separator |
| Release Method | Automatic |
| Relief Port Location | Top |
| Secondary Inlet Port Connection Gender | Not Applicable |
| Secondary Inlet Port Connection Size | Not Applicable |
| Secondary Inlet Port Connection Type | Not Applicable |
| Series | AS Series |
| Temp. Range | 33°F to 275°F |
| Vacuum Breaker | No |
| Width | 568588" |
Shipping Info:
| Ship weight (kg) | 4.04 |
| Ship height (cm) | 8.26 |
| Ship length (cm) | 17.78 |
| Ship width (cm) | 20.32 |
| HS code | 8481809015 |
| Country of Origin | IN |
Product Variants
| Product | Model | Inlet Size | Outlet Size | Outlet Type | Temp. Range | Height | Body Material | Max. Pressure | Max. Operating Temp. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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ASM1-T 1 1/4 | 32 mm | 1 1/4" | Female Threaded | 33°F to 275°F | 6 1/4" | Cast Iron | 80 psi | 275°F | €60.39 | |
![]() |
ASM1 1 | 25 mm | 1" | Female Threaded | 33°F to 275°F | 4" | Cast Iron | 80 psi | 275°F | €38.74 | |
![]() |
ASM1 1 1/4 | 1 1/4" | 1 1/4" | Female Threaded | 33°F to 275°F | 4" | Cast Iron | 80 psi | 275°F | €39.29 | |
![]() |
ASM1 2 | 2" | 2" | Female Threaded | +33°F to +275°F | - | Cast Iron | 80 psi | 275°F | €172.79 | RFQ
|
![]() |
ASM1 2 1/2 | 2 1/2" | 2 1/2" | Female Threaded | +33°F to +275°F | - | Cast Iron | 80 psi | 275°F | €293.81 | RFQ
|
![]() |
ASM1 3 | 3" | 3" | Female Threaded | 33°F to 275°F | - | Cast Iron | 80 psi | - | €423.62 | RFQ
|
![]() |
ASM1 (W/PRESS) 1 1/4 | 32 mm | 1 1/4" | Press | 33°F to 275°F | - | Cast Iron | 80 psi | 275°F | €129.81 |
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Contact us
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WATTS ASM1 1 1/2 0858537 Air Separator, Inlet Size 1-1/2 Inch, Max. Pressure 80 Psi
€101.05 /unit



