Oklahoma City, Oklahoma
Your Pool and Spa Service Company
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A-Pro Services, Your Pool and Spa Service Company, repairs swimming pools, spas, and hot tubs in the Oklahoma City area, including OKC Edmond Yukon Mustang Moore
Our specialties include replacement and installation of Inground Vinyl Liners, Swimming Pool Safety Covers, as pump and other equipment repairs.
This page about swimming pool heater epair on PoolRepairOKC.com is presented from the repairman's point of view While I can't explain everything on this page, maybe I can help by at least explaining a few things to check before you call (or pay) a repairman. We hope you enjoy this site, and find it useful!
Your Pool and Spa Service Company
Serving Central Oklahoma
Usually, the pool heater is the third in the order of components in the equipment area. The water is pumped into the filter, and from the filter in to the heater. All automatic chemical feeders should be in line after the heater, with a check valve in between to keep the chemicals from backing up into the heater. Otherwise, serious damage can result. The heat exchanger, usually made of copper, can corrode through and begin to leak. The water can damage other components in the heater, such as the burner tray and controls, not to mention that the heat exchanger itself is about half the price of a whole heater.
Most swimming pool heaters are gas heaters, although there are some electric heaters, as well as solar and other types of heaters. For the most part, heater repairs are best left to experienced professionals! It is, important, though, to know the basics of how your pool heater works, and the simple things to check if the heater will not work.
One of the things that will not allow the heater to work is lack of water flow. So, obviously, if the pump is not running, the heater will not work. Many modern heaters have electronic controls, and have indicators to tell the status of the heater, including basic fault conditions. There are safety devices built in to protect both the heater and the bathers. any of these devices will prevent the heater from operating.
The pressure switch is what is used to prevent the heater from operating without water flow. it is a relatively inexpensive part, using a diaphragm to push on a micro switch. If you are not a repair professional, do not adjust this switch, replace it. If you are a repair professional, do not adjust this switch, replace it!
Besides the pressure switch, one of the most common causes of heater failure in Oklahoma is the rollout switch. We get a lot of wind from every direction in the Oklahoma City area. Most heaters here should be equipped with a high wind stack, but many are not. They add about $200 to the cost of a new heater, so most people, even builders and installers, don't automatically include them. When there is poor air flow through the combustion chamber, because of wind, (or any restriction to the heat exchanger), extreme heat or actual flames can "roll out" under the firebox. The rollout switch protects the heater and it's controls from potential complete meltdown, and, therefore, a potentially larger fire. It is a very important little part of the heater. It is a fusible link, so if the ceramic gets too, hot the resistor breaks and the gas is turned off at the heater valve. This teardrop shaped switch must be replaced using only the identical part. It should only be replaced once. If the new one fails shortly after replacing it, the cause of the problem needs to be found and fixed before attempting to run the heater.
Again, I want to stress that heater repairs, as a rule, should be left to qualified professionals. If you don't feel that your regular pool guy is properly qualified, consider a licensed HVAC contractor.