About a year ago, my 15 year old pool/spa heater just quit working. I thought about calling out a repairman, but procrastinated instead. A few weeks ago, DW started bugging me about it because she wanted to use the spa. So, I was considering my options and was leaning toward biting the bullet and purchasing a new one (about $2500 installed). Well, I procrastinated a little more and then two days ago I came home to see that the water level in the pool was way down. A quick inspection of my pool equipment revealed that water was pouring out of my pool heater. I removed an access panel and spotted a very rusty fitting that was leaking badly. I removed it and replaced it with a plug to stop the leak. I then did a little research and determined that it was a pressure switch, designed to shut down the heater in the absence of water pressure ( when the pump isn't running). The sensor had two electrical wires running to it. I decided to short these out and sure enough, the heater kicked back on almost immediately. I've got a new pressure switch on order from Amazon for $60 so should be back in business in a few days. But, if it hadn't been for my procrastinating, my old heater would have never revealed its fault to me and I probably would have spent the $2500 on a new one!! A pretty good result I think!
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