Springtime sprinkler tune-up tips

Updated Mar 19, 2024

1800 Series Flowers BeautySpringtime is here, and landscape companies are quickly heading to the field to start the busy season.

However, gardens, lawns, and flower beds are not the only aspects of the lawn that need to be treated. Sprinkler systems are a crucial part of any lawn or landscape and keeping them maintained and prepped for spring is a necessity. Here are a few tips from Rain Bird on not only how to have a green and luscious yard through the summer, but how to save money and water.

Make sure spring has sprung

Although all signs might be pointing to the arrival of spring, the soil beneath the landscape is always the last to thaw. Starting the sprinkler system while the ground is still frozen can result in damage to the pipes. Use a shovel to make sure that the soil is frost-free 12 inches deep. If it is still solid as a rock, wait another week and test it again before starting the sprinkler system.

Regain control

Run a check of the irrigation controls and programs. This includes dusting away the cobwebs on the timer, making sure the date and time are correct, and that the settings are appropriate for the landscape’s watering needs. Replace the backup battery in the timer/controller every six months, and keep a copy of the watering schedule nearby.

Unobstructed flow

Check for rocks, dirt, sand, and other types of debris that may block the even flow of water from sprinkler heads. Uneven distribution can lead to too much water in some areas and not enough in others, both resulting in an unhealthy landscape and wasted water. Inspect spray heads and make sure they haven’t become buried and debris has not accumulated around them during the winter.

Out with the old

Nozzles and sprinkler heads are designed to withstand normal wear and tear of irrigation but are no match for rogue lawnmowers, the neighbor’s dog or overzealous snowplows. Replace cracked, chipped, or worn components, such as sprinkler heads, nozzles, valves, or pipes. A broken sprinkler can wreak havoc on lawns, gardens, and water bills, so it is important to check and replace them periodically.

The heart of the system

Valves are the heart of any irrigation system. They regulate the distribution of water throughout the entire system. A leaky valve will waste water and increase the water bill. Visually inspect each valve to make sure they are operating properly. Before turning on any water to the system, make sure all manual drain valves are returned to the closed position. Overly wet areas in the lawn, resulting in muddy and/or barren patches, may be a result of a leaky valve.

Keep the hammer in the tool chest

A water hammer is a high-pressure surge that occurs when a valve is first opened. An initial pressure surge can result in pipe bursts and damaged valves. When restoring water to the sprinkler system, open the main water valve slowly to allow pipes to fill with water in a gradual and controlled manner, thus preventing a water hammer and costly damage.

Pressure check

When you first turn the main water valve back on, it is important to make sure the water pressure is at a safe operating range for sprinkler systems. A system with too much pressure will result in cracked pipes, busted valves, sprinkler head leaks, and inefficient watering. Invest in a water pressure gauge that can be used to measure water pressure in your client’s yard. These devices typically connect to a hose faucet and give you a good idea of the pressure in your customer’s irrigation system. If the pressure is above the suggested operating range (typically 40 -65 PSI), a pressure regulator may be required to prevent damage to the sprinkler system or undesirable results. For example, if water is “misting” out of the sprinkler heads, the pressure is too high and should be reduced.

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