Specifications
Description
The Watts 2000-M5 3/4 is a 3/4" hydronic flow-check valve with FNPT connections. It permits flow in one direction and closes against reverse flow. It features a cast iron body. Rated to 125 psi.
This 3/4 inch two-way universal flow check valve is for use in commercial and residential hydronic heating systems to provide positive shutoff when circulator is not running, preventing the flow of water to radiation units. It is easily opened for gravity circulation. It combines angle and horizontal checks and consists of an iron body construction with female threaded connections, bronze seat, and brass center guide. The maximum pressure is 50 psi (344.8kPa).
Features
- Provides positive gravity shutoff when circulator is not running
- Checks easily opened for gravity circulation
- Female threaded connections
- Iron body construction
Common Questions
- Can I install it vertically?
- Yes. The 2000-M5 3/4 is rated for horizontal or vertical lines. In a vertical run the flow must be upward through the valve, following the body arrow.
- Does it come with a strainer?
- No. This is an inline check valve only. If the line carries debris, install a strainer upstream — grit on the seat is the usual cause of a check valve weeping by.
- Is it potable rated?
- No. This model is not certified lead-free, so it is not for potable-water piping — it is specified for hydronic heating service. Watts LF-prefixed check valves cover potable applications.
Specifications
- Type: Check
- Size: 3/4"
- Connection: FNPT
- Body Material: Cast Iron
- Max Pressure (psi): 125
- Application: Hydronic Heating
- Pack Quantity: 12
- Country of Origin: United States
- Warranty: 1 Year Limited
- MPN: 2000-M5 3/4
- Lead-Free: No
- Check Mechanism: Flow-Check (Hydronic)
- Installation Orientation: Horizontal or Vertical
- Integral Strainer Included: No
Product Information
Dimensions
| Size Nominal | 3/4" | End Connection | FNPT |
Details
| Series | 2000-M5 | Device Type | Check |
| Body Material | Cast Iron | Application | Hydronic Heating |
| Max Pressure PSI | 125.0 psi | Pack Qty | 12 |
| Check Mechanism | Flow-Check (Hydronic) | Orientation | Horizontal or Vertical |
Compare with similar products
| Check Mechanism | Flow-Check (Hydronic)
| Flow-Check (Hydronic)
| Flow-Check (Hydronic)
|
| Orientation | Horizontal or Vertical
| Horizontal or Vertical
| Horizontal or Vertical
|
| Series | 2000-M5
| 2000-M5
| 2000-M5
|
| Country Of Origin | United States
| United States
| United States
|
| Warranty | 1 Year Limited
| 1 Year Limited
| 1 Year Limited
|
| Spec Sheet | |||
| Install Sheet | |||
| Device Type | Check
| Check
| Check
|
| Size Nominal | 3/4"
| 1"
| 3/4"
|
| End Connection | FNPT
| Sweat
| Sweat
|
| Body Material | Cast Iron
| Bronze
| Bronze
|
| Application | Hydronic Heating
| Hydronic Heating
| Hydronic Heating
|
| Max Pressure PSI | 125.0 psi | 125.0 psi | 125.0 psi |
| Pack Qty | 12
| 12
| 12
|
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