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The heater shuts off and has to be manually reset..

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Does the breaker trip? if so the heater is probably to big for the circuit and the breaker! Sholud not exceed 80% of the breaker rating

Posted on Jan 21, 2009


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Bryant 369aan heater...10 yrs old...have to hit reset button...shuts off. Techs can't find problem. Recently cleaned..suggestions?

Hopefully you did not pay them. search for "Bryant 369aan heater manual" using Google you will get lots of answers. You can always contact Bryant, they do not like un-happy customers.

Dec 19, 2014 | Heating & Cooling

1 Answer

Manual reset switch

sounds like heater is getting too hot make sure if plummed with a bypass it is only open half way if no bypass make sure filters are clean if ok check manual bypass maybe spring is stuck open

Aug 06, 2014 | Hayward H Series Pool & Spa Heater...

1 Answer

I have an Bionaire BPH1520 Micathermic Electric heater which will not heat up. I turned it off after use and now will not heat up when switched on. Digital display still lights up? Is there an internal...


The heater has a built in safety device which

will switch off the heater automatically in case

of accidental overheating. It can only resume

operation when the user has reset the unit. For the

BPH1520 (OH)will display in an overheat situation.

To reset the heater:

1. Unplug the heater and wait for 30 minutes

for the heater to cool down.

2. After the 30 minutes, plug the heater in

again and operate normally.


Jun 07, 2011 | Bionaire BPH1520 Micathermic Electric Wall...

1 Answer

Bosch 2.5 gl water heater does not work. there is power to the unit but not action at switch or themostate. is there a high limit switch that can be tripped and rest and where is it

Ariston 2.5ga reset button is located on thermostat.
Following image shows location of reset button:

Open following link for Bosch troubleshooting resources and link to your manual.
Read manual entirely to empower yourself and to avoid-anticipate problems.

Manual says:
Occasionally, the high temperature limit shut off device may trigger and shut the
system down. This occurs when water temperature exceeds 190° F and shuts off
power to the heating element. The shut off device may also trigger from a power
outage or electrical storm.
To reach the thermostat:
1. Pry off the round cover plate (V Fig. 3/1) from its right hand edge (W Fig. 3/1) with
a small flat-head screwdriver.
2. Remove the Phillips screw revealed beneath the round cover plate.
3. The cover (C Fig. 3/1) can now be removed by pulling out its left-hand edge. When
reassembling, work in the opposite way being careful to insert the tongue of the
cover into the slot.
4. Firmly press reset button (B Fig. 4). Reconnect power.
5. IMPORTANT: Check the operation of the thermostat, turn temperature dial from
high to low, if the red light does not go off on low setting, turn off power supply and
call a service person to replace the thermostat.
6. If the system works, place dial setting to desired setting. Note: a lower setting is
more economical and reduces the risk of scalding. Replace cover plate.
CAUTION: Call a technician if the high limit needs to be reset frequently.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 19, 2011 | Bosch Ariston GL2.5 GL2.5 Point-of-Use...

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My heater starts and runs but then shuts off and I have to push the reset after a short cool down time before it will run again. I replaced the nozel, cleaned the photo eye, set the pump preasure, replaced...

In case you have misplaced your Owners Manual here is a link to where you can find it.

Where it' says Construction Heaters, open that and scroll down until you find the Model Number of your heater. Click on that Model Number and it will bring up the Owners Manual and you can download and print it. It has an extensive troubleshooting guide, that should help you.

Apr 04, 2011 | Reddy Heating & Cooling

1 Answer


You have a 6 year tank-type low-nox gas water heater
Google search 'low nox' for more details about low nox type water heaters that burn fuel so less NO2 irritant is vented into atmosphere.

Owner's manual:

1) You said 'reset button.' Only mention of 'reset' in manual is about FVIR flammable vapor ignition system where water heater shuts off when exposed to vapors that might catch fire or explode:
This model appears to have Whirlpool's new resettable FVIR so read instructions in manual for resetting FVIR. If FVIR will not reset using instructions, then call whirlpool at 1-877-817-6750

2) You said 'won't stay lit.' Manual has troubleshooting flowchart starting on page 24.
There are 13 items listed for pilot won't stay lit, with possible remedy for each.
There are 9 things for burner will not light, with remedies.
Call whirlpool at 1-877-817-6750

3) Save manual posted above. I install water heaters and tell everyone to read and save manual to empower them to help themselves.

4) Call a plumber for service.

5) Add a comment for more free help
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 24, 2011 | Whirlpool Water Heaters

1 Answer

Can't reset the inline heater on Jacuzzi/LED broken

You have a newer heater which has a self reseting thermal overload protector just shut the spa down for up to 30mins in some cases all depends on make an modle an the heater will reset itself some are as fast as 30sec.

Jan 26, 2010 | Jacuzzi RapidHeat In-Line Heater U395000 [...

1 Answer

Need to reset heater after unplugging while power was on

Somewhere in the heater there is probably manual reset high limit switch. That kicked out when it shut off hot and did not have time to cool down. You need to find it and there will probably be a little red button in the center. Push in the button till you hear a click and you will be good to go.

Nov 13, 2009 | HeatSafe MN300TPA Heater

2 Answers

Toyostove laser 55

sequence of operation is just like the monitor. combustion blower comes on to purge chamber of fumes. after the delay, the solenoid pump comes on and deposits fuel to the burner mat, within 20 sec the igniter comes on, incandesces and ignites the fuel if there is no flame, the flame rod is supposed to shut down heater and go into a lockout condition until shut off or unplugged to reset. check solenoid pump first. you already know the igniter works. check the fuel filter in the fuel sump might be clogged. check the fuel sump float valve, might be stuck, supposed to hang free in the sump with needle valve open. thermostat is digital just starts and shuts down the burner and solenoid pump.

Dec 13, 2007 | Rinnai Toyostove Direct Vent Heater:...

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