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Can I add gas heater to portable spa


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Good day all.  I am new to the forum and have hopefully an interesting question.  I am looking at eliminating my inground pool and renovate my backyard, which would include adding a hot tub/spa.  The pool will cost $25,000 or more to renovate, plus $3000 per year to operate and we hardly ever use it, so out it should go.  However, we have new, only two years old, equipment including a 125K btu pentair pool/spa gas heater.  Where I want to put the spa I do not have the right wiring to the outdoor breakers at the current pool.  I have a 15 amp 240v breaker and a 120v 15 amp breaker were the pool equipment currently is, however spas require a 30 or 50 amp 240v breaker.  The wiring feeding the 240 v 15 amp breaker is not of the right gauge to increase it to 30 or 50 amps.  However, I do have the gas heater right there.  So, my question is can I get a new spa without a heater and pipe it to my gas pool/spa heater and run the pump off of the 120 v 15 amp or 240v 15 amp circuit?  The plug and play unites are usually 120v.  If I have to run a bigger 10 gauge or even 8 gauge wire to the spa it will be too cost prohibitive and I already have a relatively new gas heater.  Can this be done?  What brands would be best to look at?  I am interested in a therapy spa rather than a soaking tub.

Thanks,

Erik

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On ‎6‎/‎9‎/‎2019 at 9:07 PM, nj erik said:

Good day all.  I am new to the forum and have hopefully an interesting question.  I am looking at eliminating my inground pool and renovate my backyard, which would include adding a hot tub/spa.  The pool will cost $25,000 or more to renovate, plus $3000 per year to operate and we hardly ever use it, so out it should go.  However, we have new, only two years old, equipment including a 125K btu pentair pool/spa gas heater.  Where I want to put the spa I do not have the right wiring to the outdoor breakers at the current pool.  I have a 15 amp 240v breaker and a 120v 15 amp breaker were the pool equipment currently is, however spas require a 30 or 50 amp 240v breaker.  The wiring feeding the 240 v 15 amp breaker is not of the right gauge to increase it to 30 or 50 amps.  However, I do have the gas heater right there.  So, my question is can I get a new spa without a heater and pipe it to my gas pool/spa heater and run the pump off of the 120 v 15 amp or 240v 15 amp circuit?  The plug and play unites are usually 120v.  If I have to run a bigger 10 gauge or even 8 gauge wire to the spa it will be too cost prohibitive and I already have a relatively new gas heater.  Can this be done?  What brands would be best to look at?  I am interested in a therapy spa rather than a soaking tub.

Thanks,

Erik

Very interested in what you find.   I'd like to add a gas heater to a spa and not sure how easy or hard it is.  Youtube wasn't that helpful...

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