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Heater on Jacuzzi model DU-H136-CCAH doesn't heat

Spa has been disconnected and not used for several years. Protected and clean. Have refilled and motor runs fine. Just no heat. What can I do?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 5 Answers

SOURCE: No Heat from Spa

Tcarrigan,

Heater contactors "buzzing": Do you mean normal buzzing or extra loud buzzing? Loud buzzing or chattering can be caused by low voltage to a contactor. If normal sounds, then probably the relays on the contactors is working, but the contacts may be stuck, or burned enough so as not to make contact. First, get a voltmeter and check for 240 volts AC at the heater contactor terminals. If the voltage is low, most likely you need to check the contactors further. Check for dirty contacts, clean if needed. If the contacts are not moving when energized, then you will probably need to replace one or both of the contactors.

Posted on Jan 18, 2009

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PartsCenter
  • 125 Answers

SOURCE: Arctic Spa refill and a heater alarm ''HL''

HL is an error code. You will want to check out the link below to the mfg wesite. Balboa Water Group

Posted on Feb 26, 2009

  • 2 Answers

SOURCE: Heater will only heat spa water to luke warm.

the water in my arctic spa hot tub took 2 weeks to get to 102 should it take that long ?

Posted on May 02, 2009

SOURCE: 5 year old Laars 25,000 LX won't ignite.

The low pressure indicator is for the gas pressure not the water pressure. The heater won't ignite because it's not getting gas to the igniter. Check gas supply, if okay, check gas connections, valves, etc.

The 1 HP motor should be fine on the jacuzzi.

Posted on May 26, 2009

  • 128 Answers

SOURCE: sta-rite lp heater wont start

Its the top. There is a membrane that controls the circuit board....the button pad is bad

Posted on Aug 30, 2009

Testimonial: "Thanks, I agree. After checking power supply all the way through to control board, placing a jumper from pins 9/8 and 9/7 on J6 I get lights on LED's"

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1 Answer

My hot tub will not heat up and the one pump is running. I can not turn the lights on or adjust the controls


check the fuses if no heat sounds like the pump that isnt running is the recirculation pump (which heater is connected to) if fuses keep blowing try disconnecting the heater element maybe shorted

Mar 04, 2015 | Jacuzzi Pool & Spa

1 Answer

I have an older Jaccuzzi hot tub w a balboa h136 board and single button topside control. The hot tub will not heat. The LED lights up on low speed and goes off on high speed. I just replaced the heater a...


You have voltage across the element but no heat....

Disconnect one element connection and do a resistance/continuity test. Or use a clamp to measure running current.

Feb 13, 2015 | Jacuzzi Home

1 Answer

Jacuzzi 470 Model has '- - - - ' problem code on display.


This is called a watchdog. A number of situations can cause this situation. Check your "Sensor Plug", ensure good tight connection. Air locks not necessarily the problem, but if in the "Circulation" pump, it may. Your Circ pump may have unfortunately failed. Can you tell if it is actually pumping a good amount of water through its return fitting? If not, then either an air lock or it failed.

Dec 27, 2012 | Pool & Spa

1 Answer

Jacuzzi hot tub, Water is too hot. Heats until it trips the system. I have replaced the analog temperature control,


1) Safety question first
Why hasn't the GFCI tripped.
If your spa is not protected by ground fault., then you are at serious personal risk.
http://waterheatertimer.org/How-to-wire-GFCI.html#arc-fault

2) Replace the element.
http://waterheatertimer.org/How-to-test-water-heater-element.html

3) If element is cracked, it can continue heating to ground wire, causing runaway heating.
This applies to spas, and water heaters of all type.

Dec 08, 2012 | Jacuzzi Pool & Spa

1 Answer

We have a hot tub or jacuzzi inside or on the side of our pool. We had a new heater installed. The jacuzzi should heat up very quickly but now the pool tech claims the drain from the jacuzzi is blocked,...


Is the equipment to heat and filter the hot tub separate from the pool equipment or do both bodies of water share a common heater and filter pump? In most cases they share a pump and heater with valves that direct the flow of water depending on how the pool owner wants to use the pools.

The first thing you need to determine then is if the equipment is working properly. Is there flow of water to and from the spa? If so, is the heater burner kicking on? If it is running, is it running properly with sufficient gas pressure, 3-4" tall bright blue flames and stays on continuously during the heating cycle for the spa?

What is 'very quickly' for the time to heat the water? In other words, if everything appears to be operating normally but the water is not warming fast enough or at all how much time is elapsing before deciding the heater is not working?

How old is this equipment and how much experience do you have with this pool tech or the company they are from?

Nov 07, 2010 | Jacuzzi Pool & Spa

1 Answer

How do you unlock the panel? kids played with heat and can't lower beyond 104 degrees? thanks


normally this depends on top side layout but on most models you press HEAT button then LIGHT or HEAT then BLOWER.

Adam Miller
Service Manager, Canadian Spa Company, UK

Aug 11, 2010 | Jacuzzi Pool & Spa

2 Answers

Heater won't go on my jucuzzi model 315


upper spa side control should have a heat lite, if on then heater is recieving voltage. Sometimes pump can have an air bubble in line.
Make sure water is flowing from jet. Spa will not lite heater without water flow. If no water try loosing union after pump to pull air through, so pump can fill with water, and no longer cavitate. Kirk

Feb 15, 2009 | Jacuzzi Pool & Spa

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