It worked well for the last 3 days. No Brand Pentair Item Weight 59.9 … Cupro Nickel heat exchangers can be used for much greater resistance to the effects of salt water corrosion. Is enough water getting into the heater? So I thought that was causing the problem. Sta-Rite Sta-Rite Max-E-Therm SR-200, 333, 400 Electrical System Parts. The Sta-Rite Max-E-Therm 400P heater is highly efficient and boasts a compact design Max-E-. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. Pentair MasterTemp pool heater parts are arranged into 3 ‘parts buckets’ – Burner System parts, Electrical System parts, and Water System parts. I sincerely hope that this post has helped you solve your pool heater problem! We have a Pentair minimax 100 Dsi. I have replaced the Stack sensor thinking that it was the problem. Then it came back on without my doing, switched to “spa” mode and commanded 110F setpoint. The MiniMax pool heater design is no longer being made by Pentair, but parts will continue to be manufactured for years to come, so fear not if you have a Pentair Minimax, which shares a common gas pool heater design with other brands like Hayward and Raypak. Thanks for your help! A second major problem with heat exchangers is scaling water conditions and poor combustion could lead to build-up of lime scale inside the copper tubes, which renders the heat exchanger useless and requires a replacement. Extreme Leaf Removal. Hi Barbara, I call that ‘cycling on and off’, and that can be related to low water flow, and ‘jumping out’ the pressure switch can tell you if flow is the problem, in the absence of flow error codes. ZDNet . If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. Locate the pressure switch on the front header, and test run the heater with a jumper wire connected to both terminals (or held in place firmly by hand), to ‘jump-out’ the pressure switch. Fix my Pool and Spa. Along with the fluctuation the heater cycles. Thoughts? An HVAC company would install it as well, or an Appliance company. Hooks up to 110 or 220 volt. Sta-Rite MAX-E THERM pool and spa heaters High efficiency with a compact modern design. It's an excellent troubleshooting guide, frankly. Latest News from. Older style heaters use a low horizontal manifold supplying dozens of individual burners across the bottom of the burner tray, shown at left. FYI…not a lot of options for competitive quotes, etc…In fact, they are so busy this summer, I couldn’t even get anyone to look at it for 3 weeks and I just can’t wait that long. Normally you can smell a little gas when it kicks on but it does nothing. Read Book Sta Rite Max E Therm 400 Manual Sta Rite Max E Therm 400 Manual Our comprehensive range of products, services, and resources includes books supplied from more than 15,000 U.S., Canadian, and U.K. publishers and more. They said the 126 display was an error code. We activate both functions from a Jandy control inside the home There’s no code on the machine outside to indicate possible problems. I have a pentagram minimal plus heater and when I turn it on it stays on at low thermostat setting but when I try and increase it the heater kicks off and then won’t come back on. I replaced the thermistor and still have the same problem. Hello. The Eco Select brand identifies our greenest and most efficient equipment choices. Sta-Rite Max-E-Therm Pool Heater Service and Manifold Replacement Sta-riteMax-E-therm heater repair/ Pentair tech support rant Pool Troubleshooting and … Did you replace both Hi Limit Switches? Control Panel Cover Retainer Cap Pentair Part # 77707-0009. Therm, Low NOx, 400,000 BTU, Propane Gas, Pool and Spa. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Tech Republic. I know I can buy for much less through you guys or elsewhere online. The combustion chamber is blower assisted for an extra high level of efficiency. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. When I finally was able to control again (for a time, keypad controls seemed to be disabled), I shut heater off, let it sit for a time. It kept doing this several times and then sometimes the temp will start counting up rapidly and slowly counts down to the current temp and cycles again. We have a Pentair pool heater that all the sudden kicked off Saturday. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. I then reconnected the terminal on the new terminstor and got 75 (I guess that’s the water temp). The exhaust pipe is leaking water. Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. Sep 12, 2015 – Recent Sta Rite Sr400na Max E Therm Pool & Spa Heater. Thank you – Frank Troubleshooting the stacked exchanger type of heater is not much different than other electronic or digital pool heaters. STA-RITE Pumps Residential: Parts, Products, Manuals ... sta-rite.com STA-RITE sump -- An Advantage You Can Count On! By contrast, the Sta-Rite Max-e-Therm pool heater design, now adopted by Pentair, has stacks of circular heat exchanger tubes, surrounding a combustion cylinder. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you don’t have to go back and forth, and try to remember the exact setting each time. Also check that the blower comes on. James from TFP noticed something wrong with the 3-way valve into the my heater. Lightweight – Lightest heater in its class. Digital controls for pool heaters have an ignition lockout function that automatically maintains a particular water temperature. It sits in a pool shed, with decent, not great ventilation. 400K BTU/HR (Max-E-Therm) 460763 460764 MasterTemp® and Max-E-Therm® POOL HEATERS BYPASS ACCESS PLUG KIT (472648Z) INSTRUCTIONS [ASME MODELS - ONLY] Pentair Water Pool and Spa, Inc. 1620 Hawkins Ave., Sanford, NC 27330 • (800) 831-7133 † (919) 566-8000 10951 W. Los Angeles Ave., Moorpark, CA 93021 † (800) 831-7133 † (805) 553-5000 Visit us on the Internet @ … I think our heat exchanger corroded last summer. Gas and air are mixed and ignite in the cylinder, which warms the tubes that are wrapped around the central burner chamber. Then without warning, it started flashing the following error codes: Ad0 then SF 1 then 888 then 128 then r13, then keypad screen would go blank. The error codes below can get you started with understanding what your heater is trying to tell you. Checked baskets, filter and skimmers. 3. The fast-heating Max-E-Therm makes your pool irresistible on cool nights. This message cycles through the following values: AD0 AD1 SF0 SF1. It will guide to know more than the people staring at you. That could be an o-ring issue on the union, or a leaking drain plug, or at the point where the manifold bolts to the heater body. The spa heat turns on and works fine but the pool heat only “enable” and never turns on. When I hold it, the temp slowly went up to 90. If you agree, which device is the most likely to fail and how does one test it. Common Features: 1. The unit may have gotten wet under the hood bc the water from filter was open spitting water against the wall and may have gotten wet. We have a Pentair 300 for both spa and pool heating. Sta-Rite Max-E-Therm Swimming Pool Heater puts the latest technological advances to work to heat your swimming pool quickly, efficiently, and with less pollution. Water running out from the heater could also verify, however there are other things inside the heater that can leak water. It’s a fun combination of plumbing, wiring and gas. Rated 1st in its class for highest energy efficiency. Thanks for the help. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. STA-RITE® MAX-E-THERM ® POOL AND SPA HEATER OWNER: Retain For Future Reference TERPUMP X 1 A UX 2 HIGH S P EED LOW SP EED BOOS TER PU MP. Same issue continues. When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. (Be sure that it is leaking and not just condensating). Today’s post is specifically about the not-so-new style of pool heater design, used in the Pentair MasterTemp and Sta-Rite Max-E-Therm heaters. Articles. Therm 400 Manual Sta Rite Max E Therm 400 Manual Scribd offers a fascinating collection of all kinds of reading materials: presentations, textbooks, popular reading, and much more, all organized by topic. SFS is stack flue sensor. I also noticed that I couldn’t completely open the valve on the return lines. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. $37.29. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. My Max E Therm 400 Heater (1 yr old) displays a message on the LED temp display. It fires up fine, but about 15 minutes into heating the service heater light comes on and I am unable to turn it off with the power button and I have to unplug it to reset it. Plus, they are certified for low NOx emissions, making them eco-friendly favorites. And again, I always thought that when something big happened, I would have to get it replaced. Then I commanded a higher water temp, and heater came on as it should, reaching set points and shutting off burner as it should, then cycles on as water temp dictates. The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. Looking like might be bad control board? The Burner System of the MasterTemp/Max-e-Therm heaters is one single burner, called the Flame Holder, shown right. Hot Tub Covers & Year-Round Outdoor Spas – Cover Smart. Just another way that Sta-Rite built a radically different heater. 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