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Pond pool plugs come up in all shapes, sizes and colors, and are used for many unlike purposes around the pool and for the puddle equipment.

Let's look at the many types of plugs used on swimming pools and some of the uses of them.

1. Winterization Plugs

The virtually typical types of plugs used for winterization of pools is a tapered prophylactic plug with 2 stainless steel washers and a commodities passing through the middle. These are almost commonly referred to equally expansion plugs, because they aggrandize as you tighten the stainless steel or nylon fly nut on top. Some pool guys phone call these freeze plugs, although the more than common use of that term refers to an engine block plug used for freeze protection on automobiles. These pool plugs are commonly bachelor in 14 sizes, from 00 (fits 1/four-inch holes) to 13 (fits 2-2.5 inch holes).

Extended plugs are expansion plugs with an extra long commodities to let easier plugging of non-threaded pipes and pipes that are cut off at an angle, similar the common three/4-inch return line in the wall. A double plug, used on old fashion Sylvan pools and some Anthony pools, is used for winterizing a combination skimmer, when the chief drain piping is tied into the pipage beneath the skimmer. These are also known as combination plugs.

Used as pipe plugs to plug skimmers, returns, cleaner lines, to prevent water from entering the pipes during winter, expansion plugs have other uses such equally pressure level testing pool lines or other methods of leak detection, or stopping h2o catamenia from the puddle when equipment repairs are made.

Expansion plugscan also be used to isolate certain lines or carelessness certain lines known to be leaking until repairs can be made. They also come in handy to allow force per unit area to build upwardly and release in a pipe suspected to be clogged, creating a water hammer effect to help move debris stuck in skimmer lines.

Gizzmos are a combination plug used for skimmers. They are long plastic tubes that thread into 1.5-in. and 2.0-in. skimmers to serve as a plug to go along h2o out (recommended to wrap Gizzmo threads with Teflon record). Their second purpose is to blot ice expansion within the skimmer; equally rainwater builds up inside the skimmer body and freezes during the winter, it can cleft the skimmer body. The gizzmo breaks upwardly the water ice pack in the skimmer and collapses in to absorb the strong strength of expanding ice. Gizzmos come in two lengths, 12-inch and 16-inch. There is one chosen the Blow-Out Gizzmo, that allows you to insert into the skimmer without lowering the pool h2o level, pop the top, and blow air through the 1-way valve contained in the lesser for the purpose of blowing the h2o out of the skimmer lines.

2. Filter Plugs

Different manufacturers use different plugs on their pool filters. Many don't utilize a plug at all, instead using a cap. The divergence between a plug and a cap? Plugs have male threads, whereas caps have female person threads.

Pentair sand filters employ a two phase plug with their common 1/4-inch Butterfly Plug, as I call information technology, to allow the filter to bleed water for winterization or repairs. This 1/four-inch plug has a small O-ring that is important to maintaining a proper seal; all the same, three wraps of Teflon tape around the plug threads in place of the O-band will usually seal the plug. Remove the entire assembly from the tank past mistake and you'll start to drain sand, likewise. Y'all may also have trouble getting the Spigot (every bit they telephone call it) dorsum in tightly without cleaning the threads advisedly and using silicone to meliorate the seal.

Most other sand filters apply a plastic cap that threads onto a bleed tube. A cap gasket or O-ring is used on these caps to make a seal. Missing the gasket? You can use silicone, wrapped over iii times with Teflon record to substitute, in most cases. Filter bleed caps vary in proportion to the drain tube they attach to and can vary from a 3/4-inch cap to a 2-inch cap for larger sand filters.

DE and cartridge pool filters most often use a 1.5-inch or 2-inch threaded plug to drain the tank. They can be positioned on the back of the lower tank body or on a tee fitting on the pipe that comes out of the lesser of the filter tank. Hayward SP1022C plug (1.5-inch threaded) can be used as a replacement filter plug for many filters, with the exception of those filters using a 2-inch threaded plug on their DE filters. Some filters apply a tapered threaded plug as opposed to a gasketed plug, and with these, be careful not to overtighten the plug, which may cause the underdrain assembly or tee fitting to scissure.

Some DE or cartridge filters don't take a drain plug at all, such equally older Anthony or Wet Constitute filters, which tin can drain out of the push button pull valve. Some homestyle plumbing jobs seem to have forgotten to install a tee plumbing equipment into the underdrain associates and you will unremarkably detect that a small pigsty has been drilled and tapped with a one/4-inch plug used every bit the filter drain plug.

iii. Pump Plugs

Near all swimming pool pumps use a 1/4-inch threaded plug, some with an O-ring and some without an O-band. Those without the O-band should apply iii wraps of Teflon tape to create a skilful seal. Erstwhile Teflon tape should be removed first; if years of Teflon tape build up, this can increase the size of the plug too much, which may crevice the pump housing. Yous can substitute most any kind of i/iv-in. threaded plug for another; they are fairly universal, as long at they are NPT, or National Pipe Thread design. If your pump plug uses an O-ring, however, you lot may have trouble getting a tight seal when using a 1/4-in. plug without an O-ring.

Pool pumps usually have two pump drain plugs: ane in the forepart, at the base of the pilus and lint strainer or pump pot, and another plug further back toward the motor to bleed the volute, or impeller housing.

4. Heater Plugs

Puddle heater plugs are near often 1/4-inch plugs, and you will observe one on both sides of the heat exchanger or on the front header, where the pipes come in and out and on the rear render header. Cast-fe headers or bronze headers use a ane/4-inch contumely plug or butterfly valve plug, whereas the mod thermoplastic headers will use a plastic plug, usually with an O-ring. Brass plugs can be lubed with green lube, like Aqua-Lube, to keep the rust from building up on the threads of the cast-atomic number 26 headers. These headers can be tapped, with a number 20-1/4-inch tap, if internal rust becomes a problem.

five. Test Plugs

Test plugs look like to winterizing plugs, except that they are not tapered, the sides are straight, and they accept oversized wing nuts to let for potent tightening. Some are polish, some are ridged and some are inflatable. They are used primarily for pressure testing plumbing, considering their directly sidewalls allow for a more secure plugging of the line; tapered plugs can push out of the line under high pressure. Another blazon of exam plug has a hole that runs through the center of the plug, with a valve stem mode threaded height. These plugs are used to button compressed air into the pipe for the purpose of pressure level testing or for blowing out the plumbing lines for winterization.

half-dozen. Hydrostatic Plugs

These are bachelor in two types: spring loaded automatic and manual. Spring loaded plugs are referred to as hydrostatic relief valves and are commonly inserted into the chief bleed pot, directly in the bottom center hole. The manual type of hydrostatic plug is usually a Hayward SP1022B plug. Both transmission and automatic hydrostats are meant to allow h2o from a high water table to enter the puddle. This prevents floating or popping of the pool trounce due to intense hydrostatic pressure level, when an in-footing gunite puddle is tuckered.

7. One-Way plugs

The Anderson Duck Plug or the Winter One-Way Plug are examples of plugs that are used during pool closing winterization. Air is diddled in ane direction through the plug, which pushes the water in the pipe out through the plug and seals upwards to prevent water from reentering the pipe after the water is expelled. A plastic cap (not shown) is and then pushed over the opening as added protection against h2o coming in.

Rob Cox
InTheSwim Web log Editor

gonzalezwhisterell1957.blogspot.com

Source: https://blog.intheswim.com/the-many-kinds-of-pool-plugs/

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