Commercial Pool Maintenance FAQs

Commercial Pool Maintenance FAQs

Listed below are a few of the most commonly asked questions we have received over the years along with easy to understand answers. If you do not see your question listed or need additional information please submit your question in via our Contact Us form.

Your pool will experience normal water loss due to evaporation. The rate of evaporation varies throughout the US. If you feel you are experiencing an abnormal rate of water loss, or you have discovered structural damage, please contact us and we will send out one of our professional service technicians to inspect your pool.

Each pool system has different water pressure tolerances. Please refer to your original owner’s equipment manual and/or startup instructions to identify the range of proper pressure for your pool.

If you believe the pressure is too high, check and clean out all debris from the baskets. In addition, check to see if all your equipment valves are set properly. Also, confirm that the pressure gauge reads zero when the equipment is off. If it does not fall back down to zero, you will need to replace the gauge.

If you believe the pressure is too low, check and clean out all debris from the baskets. In addition, check to see if all your equipment valves are set properly. Also, check to see if the gauge reads zero when the equipment is off. If it does not fall back down to zero or falls below zero, you will need to replace the gauge.

The standard push/pull backwash valve is a plunger type valve commonly found in sand and DE filter systems. Normally, there are four o-rings in this type of valve. If these rings become damaged, worn or dried out, two things will occur. Unfiltered water may return to the pool and/or the pool will begin to lose water.

The Cap O-Ring (1) seals the removable cap to the valve body. It requires light lubrication and should be cleaned and lubricated each time the cap is removed.

The Shaft O-Ring (1) is inside the cap and provides a seal where the plunger shaft goes through the cap. It requires light lubrication. Apply a small amount of lubricant to the shaft immediately above and below the cap and then work the shaft up and down. This should be done once per month or when the shaft becomes difficult to move.

The Piston O-Rings (2) are on the pistons or discs of the plunger. These rings require heavier lubrication. The first step is to turn off your filter pump. Remove the cap and pull the plunger all the way out. Check the two o-rings to make sure they are not damaged. They should fit snugly on the pistons with no kinks or twists. Apply a pencil-sized bead of lubricant around each o-ring and insert them back into the plunger. Re-install the cap. This should be done once per month or when the shaft becomes difficult to move.

Most manufacturers recommend that the grids on the Diatomaceous Earth (D.E.) filter should be cleaned on an annual basis. This type of filter utilizes D.E. powder to strain debris from the water. The cloth-covered grids within the filter must be pre-coated with D.E. powder for the proper filter operation.

To maintain the D.E. filter, disassemble the filter, clean it thoroughly with a garden hose, inspect the grids for tear and holes, and re-coat the filter grids with a combination of D.E. and water.

Check the circuit breaker and reset if necessary. Check your G.F.C.I. (Ground Fault Circuit Interrupter) and reset if needed. If your pool light is tied into a remote system, test your batteries. Are the remote frequencies set properly?

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