tcornell05 Posted October 4, 2014 Report Share Posted October 4, 2014 Hello! I've just moved in to a house with a beautiful Pool/Spa heater combo, the only issue is of course, it has no heater. Which it seems obvious that at one point it obviously did (or else that would be one useless spa), but there isn't one there anymore. I'll, be asking a few questions and posting a few pictures to correspond. Excuse my ignorance with terminology, this isn't exactly my forte. To start off, here is an overview of the setup: Pretty much, there are two lines into the system it seems to be, and I just want some help verifying what you guys think is the line that should go IN to the heater, and which one goes back in to the system. heres a picture of the line with the hose valve: Here's a picture of the other exposed line, isn't this typically used for draining? Here's both: Here's the overview without the text: And the gas line: So to sum everything up. I just want to know which goes in the heater, and which is used as the outtake back into the system. Thanks in advance for your help! Quote Link to comment Share on other sites More sharing options...
Dr. Spa Posted October 4, 2014 Report Share Posted October 4, 2014 The pipe coming off the top of the filter, running horizontally...the heater would be "spliced into that pipe. Water runs out the top pipe of the filter to the heater, then out of the heater to the 3 way valve on the left. Quote Link to comment Share on other sites More sharing options...
tcornell05 Posted October 4, 2014 Author Report Share Posted October 4, 2014 Thank you! Would the best place to make the cut be right before the elbow? And also, what are the steps that need to be done before I can start taking the pipes apart. should I blow the pipes out somehow? Quote Link to comment Share on other sites More sharing options...
Pool Clown Posted October 6, 2014 Report Share Posted October 6, 2014 The pipe coming out of the bottom of the backwash line is where the backwash or waste comes out of. Typically, you would connect a hose to that barbed fitting and run the hose to somewhere appropriate. The 1" line with a valve on it looks like it goes to the cleaner pump (missing). That line runs to the pool (may look like the other returns in the pool) This line would be situated midway on the length of the pool. Quote Link to comment Share on other sites More sharing options...
jacksonrn Posted October 14, 2014 Report Share Posted October 14, 2014 For swimming pool issues, It is better to get a help from mechanics they have experience swimming pool construction. Two months before I also had the same issue that time www.spam-removed pool builders helped me to solve the issue. Quote Link to comment Share on other sites More sharing options...
MikeThePoolman Posted October 23, 2014 Report Share Posted October 23, 2014 I concur with Spa Guru. Barbed fitting is backwash to waste fitting. connect a discharge hose with plumbers clamp when back-washing. 3/4" pipe with gate valve is likely a pressure side cleaner line that runs to the pool but is unused. (e.g. Polaris 280). NOTE: the heater MUST be sized properly or it will fail prematurely. Determine the size of the gas line and the length of gas line pipe from the meter and refer to a sizing chart. if you oversize the heater is will soot and fail prematurely. Hopefully the gas line is big enough to deliver volume to a 399,000 BTU heater (the largest allowed on residential pools). Quote Link to comment Share on other sites More sharing options...
SteveGranger Posted December 27, 2019 Report Share Posted December 27, 2019 How did you manage to install the heater, please share your thoughts so that i can save bucks from hiring experts that offers heating services. Quote Link to comment Share on other sites More sharing options...
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