Question about Pentair 150k Minimax Ch Ng Mv Heater

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I would like to convert a Pentair Minimax 150 pool heater from natural gas to propane. I have done many conversions like this on other products and usually just an orfice change.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 128 Answers

SOURCE: minimax pool heater cuts out at 91 degrees when remotely set for

Check the temp reading on the heater. It is probably set at 91...heater control should be set to 104

Posted on Aug 30, 2009

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  • 246 Answers

SOURCE: Searching for Operating Manual for natural gas pool heater.

pentairpool.com

Posted on Sep 18, 2009

  • 990 Answers

SOURCE: E04 comes on after fan purge cycle-Pentair minimax nt pool heater

This is a fan falure code. It can mean the fan has problems (not likley if the fan goes and isn't labored) You have a sensor in your exaust (probally not this if you don't get a good start) The culperet is probally in the negetive pressure sensor. This is a 2-3 inch disc with wires going to the controls and a rubber tube going to the fan. Pull the tube from the fan and make sure the fan fitting is clear (poke with a tooth pic) Be sure their are no kinks in the hose. If the heater is 4 years old the diaprahm could be bad in the pressure sensor. Check the other things first but this is probally your problem. Good luck, hope this helped.

Posted on Jan 26, 2010

john224
  • 1378 Answers

SOURCE: should the pentair minimax pool heater be wired to line or load?

Thank you for posting your question here on Fixya.com.

Line side for a couple of reasons: First, there are more safety switches than just the pressure switch to ensure the unit shuts off prior to damaging itself. Second, and probably more importantly, removing power from the unit each time the time clock turns it off will keep erasing the temperature settings you enter. After a while that gets old for most people. Coincidentally, when pressure switched fail, they fail as open making the heater inoperable. While they could conceivably short closed and cause the situation you fear, I have never seen that in 20 years of servicing heaters.

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John

Posted on Feb 09, 2010

Testimonial: "Thanks, Myself and A pool and a friend Pool Guy was discussing this good point about the heat settings as well. thanks."

  • 990 Answers

SOURCE: Can a Pentair minimax NT that is fitted for

Probally the easyest convertion on the market. Where your gas line comes in the heater the line loops up over and down. There are two unions on this at the base of the loop. take these apart and their is a washer in one and you replace it with the Propane washer and put back together.

Posted on Sep 02, 2010

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Probally the easyest convertion on the market. Where your gas line comes in the heater the line loops up over and down. There are two unions on this at the base of the loop. take these apart and their is a washer in one and you replace it with the Propane washer and put back together.

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Check out this link: http://ths.gardenweb.com/forums/load/pools/msg0522222224880.html

Per this link, these are the parts that you'll need to replace:
Natural gas burner tray 472028
Propane burner tray 471931
Propane gas valve 471671

Remember to always be safe around electricity and gas lines. If you're not sure then hire a professional.

If this has helped, please give me the appropriate thumbs up! Thanks, and good luck!

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you should be able to buy the parts from your local pool supply place or online.

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