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FAQ: What PSI Do I need to winterize my sprinkler system?

Air pressure must not exceed 50 pounds per square inch (psi) during the blow out procedure. A pressure-regulating valve must be used to avoid over pressurization of the system. Air volume should be high and air pressure low.

What size compressor do I need to winterize sprinkler system?

You need a compressor that has either enough volume or large enough motor to fill your system with pressurized air. A compressor size of 4-6 gallons should be enough.

How many CFM do I need to winterize my irrigation system?

To properly blow out a sprinkler system, your air compressor needs to provide at least 20 cubic feet per minute. Most irrigation professionals recommend using at least 50 cubic feet per minute.

How do I winterize my sprinkler system with an air compressor?

Step by Step Guide on How to Blow Out Your Sprinkler System with an Air Compressor

  1. Turn Off the Water.
  2. Open Hose Bibs, Drain Water.
  3. Test the Air Compressor.
  4. Prepare the Hose.
  5. Attach the Hose.
  6. Activate the Air Compressor.
  7. Open the Compressor Valve.
  8. Monitor the Blow Out Process.
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How much psi do I need to winterize my sprinkler system?

Air pressure must not exceed 50 pounds per square inch (psi) during the blow out procedure. A pressure-regulating valve must be used to avoid over pressurization of the system. Air volume should be high and air pressure low.

How large of an air compressor do I need?

As a guideline, most air compressors meant for powering tools fall in the 10 to 110 CFM range. Note whether the CFM rating is for 100% duty cycle, as many continuous-use tools are still rated as if you’re only using them 50 to 60%—you will need a higher CFM rating if you don’t want to stop regularly.

How do I prepare my sprinkler system for winter?

Insulate your assets: Shut off the water supply to the irrigation system. The main shut off valve for your irrigation system needs to be protected against freezing. Make sure it is wrapped with insulation (foam insulation tape and a plastic bag) to protect it from harsh winter temperatures and prevent it from freezing.

How do I know what GPM my irrigation system is?

Measure your home’s water capacity (flow): Then, turn the faucet on all the way and time how long it takes to fill the container. The flow rate in gallons per minute (GPM) is: 300 (which is 5 gallons X 60 seconds in a minute) divided by the number of seconds it takes to fill the container.

What pressure should a fire sprinkler system be?

➢ Fire sprinklers typically require only 7 pounds-per-square-inch (psi) to operate, which is less than the minimum required pressure for residential plumbing fixtures.

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How do I test my water pressure?

How do I test my water pressure?

  1. Place a 1-litre measuring jug under the shower or tap.
  2. Turn the problem tap or shower on full.
  3. Time how long it takes to fill the jug.
  4. If it takes more than 6 seconds to fill the jug, then you have low water pressure.

How much does sprinkler blowout cost?

Typical costs: Hiring a landscaping or sprinkler company to winterize/blow out a sprinkler system can cost $30-$160 or more, and typically costs about $55-$85 for an average home, depending on the number of irrigation zones in the system, the local cost of living and the month the work is done.

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