DIG PRV075
DIG PRV075 Adjustable Drip Pressure Regulator User Manual
Model: PRV075
Product Overview
The DIG PRV075 is a pipe thread adjustable pressure regulator designed to reduce and regulate incoming water pressure for drip irrigation and micro-sprinkler systems. It ensures the system operates within the appropriate pressure range, typically between 28 PSI and 60 PSI, providing consistent outlet pressure regardless of upstream fluctuations.

Image: Front view of the DIG PRV075 Adjustable Drip Pressure Regulator, showing its black plastic body and red adjustment cap.
Key Features:
- Adjustable pressure range with a single screw for fine-tuning.
- Rolling diaphragm design prevents debris from entering the spring assembly, ensuring longevity.
- Maintains reliable control of outlet pressure despite variations in incoming pressure or flow.
- Equipped with 3/4" female pipe thread (FPT) inlet and outlet for compatibility with standard connections.
Setup and Installation
Proper installation is crucial for the optimal performance of your DIG PRV075 pressure regulator. Follow these steps carefully:
- Identify Connection Points: The PRV075 has 3/4" female pipe threads on both the inlet and outlet. Ensure your irrigation system components have compatible male pipe threads.
- Prepare the Connection: Turn off the main water supply to the irrigation line where the regulator will be installed.
- Thread the Regulator:
- Apply thread sealant tape (Teflon tape) or pipe dope to the male threads of your water source connection.
- Carefully thread the inlet side of the PRV075 onto the prepared male thread. Hand-tighten first, then use a wrench for an additional 1 to 2 turns until snug. Do not overtighten.
- Repeat the process for the outlet side, connecting it to your drip irrigation or micro-sprinkler system.
- Check for Leaks: Slowly turn on the main water supply and inspect all connections for leaks. Tighten any leaking connections gently.

Image: Side view of the DIG PRV075 Pressure Regulator held in a hand, illustrating its compact size and showing approximate dimensions of 5.1 inches (12 cm) in length.
Operating Instructions
The DIG PRV075 is designed for easy pressure adjustment. Follow these steps to set the desired operating pressure:
- Locate the Adjustment Screw: The pressure adjustment screw is located under the red cap at one end of the regulator. Gently pry off the red cap to expose the screw.
- Adjust Pressure:
- Use a flathead screwdriver to turn the adjustment screw.
- Turning the screw clockwise will increase the outlet pressure.
- Turning the screw counter-clockwise will decrease the outlet pressure.
- Make small adjustments and observe the system's performance. For precise adjustment, use a pressure gauge downstream of the regulator.
- Operating Range: The regulator is designed to operate within a range of 28 PSI to 60 PSI. Do not attempt to adjust outside this range.
- Replace Cap: Once the desired pressure is set, securely replace the red protective cap.
Maintenance
The DIG PRV075 is designed for minimal maintenance. However, periodic checks can ensure its long-term performance:
- Inspect for Leaks: Periodically check all connections for any signs of water leaks. Address any leaks promptly by tightening connections or replacing thread sealant.
- Check for Debris: While the rolling diaphragm helps prevent debris, if you notice inconsistent pressure or reduced flow, it may indicate debris accumulation. Turn off the water, disconnect the regulator, and inspect the inlet and outlet for any blockages. Clean gently with water if necessary.
- Winterization: In regions subject to freezing temperatures, it is recommended to drain the irrigation system, including the pressure regulator, to prevent damage from freezing water.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No water flow or very low flow |
|
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| Pressure too high or too low (and cannot be adjusted) |
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| Water leaks from connections |
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Specifications
- Model: PRV075
- Brand: DIG
- Material: Plastic body, Stainless Steel exterior finish (referring to internal spring/components)
- Inlet/Outlet Connection: 3/4" Female Pipe Thread (FPT)
- Adjustable Pressure Range: 28 PSI to 60 PSI
- Dimensions (L x W x H): Approximately 4 x 2 x 3 inches
- Item Weight: Approximately 1.6 ounces
- Number of Ports: 2
- Valve Type: Globe Valve (as per specification, though it's a regulator)
- UPC: 013158333333
Warranty and Support
For information regarding product warranty, technical support, or replacement parts, please contact DIG customer service directly. Refer to the official DIG website or product packaging for the most current contact details and warranty terms.
You can visit the official DIG store for more information: DIG Official Store
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