Question about Hayward Offline Brominator

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I have a hayward CL220BR brominator on a 750 gallon spa in a overfeeds the bromine.i've changed the check valve and setting dial and still overfeeds.this happens every few there anything else i can do

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Ristrict the flow of water thru even more...We've put a tee in a line then a stubby piece of PCV into a ball valve then another stub about 6 inches long and a cap. Tie the inlet line into this stub and partially close the ball valve.


Posted on May 20, 2011


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Posted on Jan 02, 2017


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Hayward offline brominator won't introduce bromine in pool?

If there is any age to the pool bromine feeder, then the residue of the tablets, which is called "Binder", has gummed the internal workings of your feeder. A local pool/spa retail store should be able to provide you with three things that you can replace yourself.
  • A kit that will replace the hose fittings that go/thread into your feeder and out of the feeder. one of these fittings is a check valve. when that gets gummed/clogged up, you will not have good feed operation
  • A kit that will replace the "Saddle plumbing fittings". These are the hose fittings that come from the feeder and are attached at the plumbing pipes. They are installed very easily by the use of a stainless steel clamp. Loosen the clamp and remove the fittings and replace them. They also tend to get gummed up by tablet binder.
  • And finally if so inclined, replace the flow control valve/knob on the feeder. This too is not that difficult to replace.
With all of these three items taken care of, you will have your feeder back to almost new.

You may also want to consider the replacement of the lid oring, while changing things?

Jul 13, 2014 | Hayward Offline Brominator

1 Answer

What would cause my Brominator to leak from underneath.

If it is an offline model you should be able to turn it upside down while pump is running and see the leak.

May 12, 2014 | Hayward Offline Brominator

1 Answer

Brominator not dispensing bromine into pool

check to see if air locked turn pump on with top off then when water starts to fill put top on

May 19, 2013 | Hayward Offline Brominator

1 Answer

My brominator is always leaking water from the top even though it is securely fastened. I also never know how many bromine pucks I am supposed to put in since I do not see an demarkation on the inside...

If I had these problems I would call Hayward technical support at 908-355-7995 and they would help with precise answers to your questions.

Please let me know how this works. Thank you.

Sep 02, 2011 | Hayward Offline Brominator

1 Answer

What is Bromine Used For?

Flame retardant Brominated flame retardants represent a commodity of growing importance, and represent the largest use of bromine. When the brominated material burns, the flame retardant produces hydrobromic acid which interferes in the radical chain reaction of the oxidation reaction of the fire. The mechanism is that the highly reactive hydrogen oxygen and hydroxy radicals react with hydrobromic acid and form less reactive bromine radicals (free bromine atoms). These also react with radicals in the first to help terminate the reaction.[31][32]
The bromine-containing compounds can be placed in the polymers either during polymerization if a small amount of brominated monomer is added or the bromine containing compound is added after polymerization. Tetrabromobisphenol A can be added to produce polyesters or epoxy resins. Epoxy used in printed circuit boards (PCB) are normally made from flame retardant resins, indicated by the FR in the abbreviation of the products (FR-4 and FR-2. Vinyl bromide can be used in the production of polyethylene, polyvinylchloride or polypropylene. Decabromodiphenyl ether can be added to the final polymers.[33]
Gasoline additive Ethylene bromide was an additive in gasolines containing lead anti-engine knocking agents. It scavenges lead by forming volatile lead bromide, which is exhausted from the engine. This application accounted for 77% of the bromine uses in 1966 in the US. This application has declined since the 1970s due to environmental regulations.[34] Ethylene bromide is also used as a fumigant, but again this application is declining.[28] These volatile organobromine compounds are all now regulated as ozone depletion agents (see below).
Pesticide Poisonous methyl bromide was widely used as pesticide to fumigate soil and to fumagate housing, by the tenting method. The Montreal Protocol on Substances that Deplete the Ozone scheduled the phase out for the ozone depleting chemical by 2005, and it is no longer used (in housing fumagation it has been replaced by such compounds as sulfuryl fluoride, which contain neither the chlorine or bromine organics which harm ozone). Prior to the Montreal protocol in 1991 (for example) an estimated 35,000 metric tons of the chemical were used to control nematodes, fungi, weeds and other soil-borne diseases.[35][36]
Medical and veterinary Bromide compounds, especially potassium bromide, were frequently used as general sedatives in the 19th and early 20th century. Bromides in the form of simple salts are still used as anticonvulsants, in both veterinary and human medicine.
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Jan 31, 2011 | Toys

1 Answer

I am purchasing a brominator for use with a evaporative condenser (cooling tower) and was wondering what is the difference between an on line brominator and an off line brominator?

An "In-line Bromo feeder is plumbed directly in the flow path of the plumbing. An offline feeder must be plumbed to a pressure T-off (usually 3/8") just after the pump and then flows into the feeder, back out to a return T-off AFTER the last component before returning to the body of water being treated. As an example, in a pool installation, you would bring the return line in after the heater, so that the bromo concentrate would not be flowing through the copper heat exchanger, but rather after the heat exchange, preventing damage to the heater. In the case of the IN-LINE, it would be installed AFTER the last component.

Sep 06, 2010 | Hayward Offline Brominator

1 Answer

Brominator Madness Continues

see if hooked up correctly see arrow on unit wrong direction will make it fail

May 17, 2017 | Hayward Offline Brominator

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