Air Release Valve- The valve on top of a filter or separation tank which allows you to manually release the trapped air out of the system. This reduces the chance of a filter or separation tank explosion. Also this prevents water from back flowing through the system when turned off.
Filter- A device to clean pool water by filtering out dirt, oils, etc. Filter may use diatomatceous earth (DE), cartridges with a fine mesh element, or a sand bed as the filtering agent.
Heater- A device to automatically heat pool or spa water to the desired water temperature and maintain it there. A heater typically has automatic thermostat controls, and may be controlled by a time clock.
Main Circulating Pump- The pump which moves water from the pool and pump it back through a filter; heater; chlorinator;
Main Drain- The fitting on the bottom of the pool which leads to the main circulating pump's inlet pipe. All pools and spas should have more than one main drain. since there can be a strong suction pull at the main drain, for swimmer protection it must be equipped with a correctly installed, anti-entrapment or anti-hair-entanglement certified cover; fastened with screws.
Skimmer- A box set into the edge of the pool with a mouth open to the pool, just at water level. It connects to the main circulating pump suction pipe. It channels water both to the pump and skims leaves, debris, etc., off the pool surface. A removable deck cover allows for cleaning.
These are the main parts and devices used on a swimming pool. Hopefully now you have a better understanding of their uses and functions. Pool repair swimming technicians if informed as accurately as possible can diagnose your pool over the phone. This saves you money by reducing labor cost and trip charges. Now go forth and feel confident about owning your swimming pool!
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