Some pools were never built with an auto leveller, to keep the water level full as the water evaporates. I can make levellers out of 3/4" PVC pipe that hang over the edge of the deck to keep the water level up. This is important. If the water level drops too low as a result of evaporation, the skimmer will draw in air, the pump will loose prime and can overheat.
When pumps run hot, the strainer basket can warp from the heat. Steam is generated in the pump when it runs dry and gets hot. If not realized soon enough, it can cause other problems like a warped shaft, a leak at the shaft seal, the electric motor can overheat and fail, the seal plate can warp, the steam can break down the joint stick that seals the threads on the pumps intake and return nipple, and the steam can debond the PVC glue on fittings near the pump causing leaks. Keeping the water level up is important and will save you money on costly repairs. With a set up like this, the hose used to connect the auto leveller to the spigot should be inspected often and replaced every year. When the hose is under pressure for long periods of time, it can fail at its joints and they do dry out from being in the sun. Hoses are not expensive in a 5/8" diameter and are often on sale.
When pumps run hot, the strainer basket can warp from the heat. Steam is generated in the pump when it runs dry and gets hot. If not realized soon enough, it can cause other problems like a warped shaft, a leak at the shaft seal, the electric motor can overheat and fail, the seal plate can warp, the steam can break down the joint stick that seals the threads on the pumps intake and return nipple, and the steam can debond the PVC glue on fittings near the pump causing leaks. Keeping the water level up is important and will save you money on costly repairs. With a set up like this, the hose used to connect the auto leveller to the spigot should be inspected often and replaced every year. When the hose is under pressure for long periods of time, it can fail at its joints and they do dry out from being in the sun. Hoses are not expensive in a 5/8" diameter and are often on sale.
I like to use a single hose faucet timer on a set up like this. This is simply a safety feature. The timer is a valve that takes pressure off the hose. It can be set to run up to 2 hours continuously, every 12 hours, supplying water to the float valve to top off the pool water each day. In case of an accident, the water cannot run any longer than 4 hours each day, minimizing flooding if the hose were to burst, or the hose connector fails. This is very helpful when my customers live out of state most of the year and I am the only one at the property once a week for months at a time, or if they will be out of town for a vacation and are simply not there to monitor the water top off during the week.
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