Question about Sta Rite SR400NA Max E Therm Pool Spa Heater Dual Electronic Ignition LoNox 400000 BTU Natural Gas ASME

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Sta-rite thermal governor - Sta Rite SR400NA Max E Therm Pool Spa Heater Dual Electronic Ignition LoNox 400000 BTU Natural Gas ASME

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  • Sta Rite Master
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Check fusible link and gas pressure it overheated if gas ok check burner tubes for deris

Posted on Oct 11, 2017

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: sta-rite gas heater won't ignite

I am not sure if either of these issues have been solved, but with the AGS light on, you will need to check the flow of water first. If it is below what is needed for the heater, this will light up. If the water flow is fine, then check the water temp on the display panel. If it is readin higher than that of the ACTUAL pool water temp, you need to replace the Thermister.

If the water temp displayed is about that of the pool water, then the Automatic Gas Shutoff will be the next thing to check and replace.

You can tell IF a Sta-Rite heater has been converted by the model number. The Convesion Kit is supposed to come with a sticker stating that the heater has been converted, but there are two options for the kit and the one without the sticker is cheaper.

If you take off the top two halves of the heater, on the Junction Box there should be a Tri-fold card there. Unfold it, if the model number ends with NA it is a Natural Gas Heater, LP would be Propane.

Posted on Jul 10, 2009

  • 246 Answers

SOURCE: sta rite heater won't start

TURN THE BREAKERS OFF FO R 20 SEC IF PROBLEMS PERSIST SEE CODE A POST

Posted on Dec 07, 2009

  • 990 Answers

SOURCE: Sta-rite pool heater shuts down as soon as the

Between the two water pipes on the left side of the manifold is a two inch plug. When you take this plug out the thermal regulator assembly will come with it.It consists of "O" rings, a spring and what looks like a thermostat in a car. This is the probal bad part although it could be the spring also. You can get these parts seperatly or in a kit. If this is an older heater the kit is the way to go so you get all the nessary "O" rings and you will be covered on everything you need.

Posted on Dec 08, 2009

john224
  • 1378 Answers

SOURCE: Expected life time of Sta-Rite heater?

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

Overall heater life is often dictated more by the pool maintenance history and chemical usage than location. Generally speaking up here in the Midwest you can expect 12 - 15 years of service life from a heater. More if it gets pampered with such treatment as proper winter covering and regular cleaning and maintenance. Far less if chemical issues arise in a pool and are not dealt with properly. A heater can fail in a matter of weeks if water conditions are that poor.

So, to answer your question; with proper installation, maintenance and water treatment I’d put it at 15 – 18 years before the heater will have spent itself from wear.

If this answer does not fix your problem or you are not sure about part or all of this post, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

Posted on Mar 23, 2010

  • 990 Answers

SOURCE: Ref: Sta-Rite Max-E 400. Pool temp is about 75

Your temp sensor has gone bad and will need to be replaced. It's a small tube that slides into the water manifold and you can follow the wires back to the board. Just unplug and set a new one in place.

Posted on May 13, 2010

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I have a sta rite 200 gas pool heater. Heater ignites and runs for about 1 minute and shuts off. After another minute it restarts.


Try removing the Thermal regulator. also make sure you have adequate water flow thru the heater. If the heater seems to run OK with the Thermal Reg removed then order a new one.
Pentair / Sta-Rite 77707-0010 Thermal Regulator Kit for MasterTemp / Max-E-Therm

Jul 16, 2016 | Sta Rite Pool & Spa

1 Answer

Max e therm heater makes loud noise at start up and does not stay on? What could it be?


Water flow might be the issue. Check the Thermal Reg or any other external by-pass.

Jul 24, 2014 | Sta Rite Sta-Rite Max-E-Therm High...

1 Answer

My heater star and works fine for about 5 to 7 minutes and shut off and said r-6 the service light in on now


You have a bad thermal regulator. It is located in the inlet/outlet header. It looks just like a car thermostat.

Oct 15, 2013 | Sta Rite Sta-Rite Max-E-Therm High...

2 Answers

Heater fires runs for 2min.service heater lite comes on has code 8 shuts down


This issue sounds tricky. I recommend you callthe Sta Rite technical support at 888-782-7483 and they should be able to helpyou figure this issue out.

I hope this helps.

Sep 12, 2011 | Sta Rite Sta-Rite Max-E-Therm High...

1 Answer

I have a customer that has some problems with her sta-rite pool heater. Someone turned it up to 120 and left it. The flue discharge has melted and it now sometimes fires, burns a while, goes out and...


All sta-rite pool heaters have had a governor on them that limits the temperature settings to max out at 106 degrees farenheight. Im not sure how they bypassed this but it would require an after market controller to make it happen.

If the flue discharge has melted, im sure the flue high limit sensor has been damaged. Might have enough continuity to make it start, then loses it after burnig a few minutes.

When you find a heater like this. Dont work on it unless the customer gives you approval to work for a few hours just to investigate what it is that happened.

Apr 20, 2011 | Sta Rite Pool & Spa

1 Answer

Sta-rite pool heater shuts down as soon as the


Between the two water pipes on the left side of the manifold is a two inch plug. When you take this plug out the thermal regulator assembly will come with it.It consists of "O" rings, a spring and what looks like a thermostat in a car. This is the probal bad part although it could be the spring also. You can get these parts seperatly or in a kit. If this is an older heater the kit is the way to go so you get all the nessary "O" rings and you will be covered on everything you need.

Oct 16, 2009 | Sta Rite Maxi Therm 400k Btu Propane...

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