Pool losing 1/4-1/2 inch of water a day and there is a lot of water around the gas heater

ba67

Active member
Oct 17, 2018
38
Southern Kentucky
My pool is losing approximately 1/4-1/2 inch of water a day. When this leak was first discovered, I noticed that there was a lot of water around my gas pool heater and saltwater generator cell that is on the ground next to the heater. The heaviest amount of water is around the heater so I assume the heater is the source of the leak. It is an older Hayward H series gas heater that hasn’t been used in several years. I called a pool company about the leak and they can’t come until later this week to look at it. The person who answers his phone says that a leak in the heater couldn’t cause the pool to lose 1/4-1/2 inch of water a day when the heater isn’t being used, so I probably have another leak elsewhere? Is this true? Is there anyway to tell if the heater is the source of the leak or if the leak is coming from the pipes that lead to the heater and/or pump? I checked around the pump and backwash line and the ground around them is dry. If the heater is the only thing that is leaking, could it cause me to lose 1/4-1/2 inch of water a day when it isn’t being used?
 

PoolGate

Gold Supporter
TFP Guide
Jun 7, 2017
6,629
Damascus, MD
Pool Size
29000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Jandy Aquapure 1400
Can you post some pics of your heater and the pad? The heater does not have to be running to be losing water. Running gas heaters do create a lot of water since water is a byproduct of combustion but if your heater has not been running then it could be a leak. I am assuming you have no way of bypassing your heater?

You could also shutting everything off for a day to see if you still lose water. If you go this route make sure to close off the valve coming from your pool you should have one.
 

ba67

Active member
Oct 17, 2018
38
Southern Kentucky
Can you post some pics of your heater and the pad? The heater does not have to be running to be losing water. Running gas heaters do create a lot of water since water is a byproduct of combustion but if your heater has not been running then it could be a leak. I am assuming you have no way of bypassing your heater?

You could also shutting everything off for a day to see if you still lose water. If you go this route make sure to close off the valve coming from your pool you should have one.
Here are some pictures of my heater. There is a steady drip coming out from underneath those two pipes that are coming out of the heater in picture #1 when the pump is running. It appears to leak some when the pump isn’t running as well, since we always find a puddle around the heater in the morning when the pump has been off all night. The only valve I see near the heater is the red valve on the other side of the heater that leads to the broken Polaris that we no longer use. If this isn’t a bypass to the heater, I’d like to get one installed instead of fixing the heater, if this would be the cheapest option. We never use the heater so I want to get this leak fixed as inexpensively as possible.
 

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PoolGate

Gold Supporter
TFP Guide
Jun 7, 2017
6,629
Damascus, MD
Pool Size
29000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Jandy Aquapure 1400
I don't see a bypass but you have a lot of pipe it would be an easy matter to plumb one in. You could either plumb in a bypass or remove the heater altogether.

Also if the leak is coming out of the connection points where the pipes enters and exits the heater, that usually could be just a gasket or oring to fix that.
 
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