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I have a Honeywell L7224U1002 aquastat and I am unsure how to turn the temperature down. The water is 180 degrees.

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I fixed it by holding in the 3 puch buttons for 3 seconds and then I was able to lower the temp by using the up and down buttons.

Posted on Jul 24, 2008

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Posted on Jan 02, 2017

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I have a Honeywell aquastat that was set at 160 on the high and 170 on the low I believe the circulator is locked out how can I manually reset that


Something is backwards here. Typically, HIGH limit should be 180 LOW limit 160 with 10-15 degree differential, depending on boiler size, load, etc. If it is digital and you don't have the instructions go to link below. If its the old dial type you should see 3 dials. one labeled HI, one LOW and one DIFF.

Nov 08, 2017 | Honeywell Heating & Cooling

1 Answer

How do I disable low limit


WHY???????????????????
Only common sense option is to remove the Aquastat as you can adjust the lower limit down but NOT disable it. Bigger question may be What are you trying to do and do you know what you are doing???
Aquastats are made to START and STOP Pumps in Recirculation systems at settable limits not run them 24/7.
Running a pump 24/7 voids the heater warranty.

Sep 11, 2014 | Honeywell L8124a 1007 Triple Aquastat...

2 Answers

How do I adjust the faucet to get the water hotter?


If you have a hot water heater there's where you turn you heat up for your water if its hot oil its on the furnace boiler

Mar 05, 2013 | Plumbing

1 Answer

Want to raise the water temp


Stand alone water heaters have temperature controls in different locations.

11_23_2012_12_50_47_pm.jpg
Most residential electric water heaters operate on 240 volts. Please, shut off power first whenever you need open or remove panels for adjustments or servicing.

"Traditional" electric water heaters have them behind removable panels - like the top and bottom gray panel on the water heaters on the right side of the photo. Both panels have adjustable controls behind them and both should be adjusted to the same setting.

Some newer electric water heaters use electronic controls. These may be accessible without removing panels and even have digital displays. Others have controls that are located on the top of the heater - behind a panel. Electronically controlled water heaters may or may not need to be powered on when making adjustments. Check your manual if in doubt.

Gas (propane & natural gas) type water heaters have the temperature control on the gas valve. There are often two controls on the valve, one for the pilot (off, light and on positions) and a second for temperature adjustment.

A tankless water heater built into your home's furnace is controlled by an "aquastat". An aquastat is a fancy term for a thermostat to control water temperature. A typical aquastat is mounted directly on or very near the furnace and looks like this:

11_23_2012_1_08_47_pm.jpg
Inside, are several temperature settings. Here's a photo of the interior of the Honeywell aquastat:


11_23_2012_1_12_16_pm.jpg
The Hi dial should never be set to a value lower than the Lo dial. "Safe" settings are Hi = 180, Lo = 160 and Diferential (above "Lo") = 10. You'll need to tweak these up a bit to make water hotter. You should read more about settings for these aquastats here. Skip down to the section titled "What Settings To Use on a Heating Boiler Aquastat Combination Control"

I hope this helps & good luck!

Nov 22, 2012 | General Electric GE SmartWater Household...

1 Answer

I've lost my manual, and am unsure what the heat


You posted under water heater.
Open following link for adjusting water heater temperature on typical gas and electric water heaters:
State electric has ABC
White Rodgers gas thermostat has ABC
Honeywell gas valve has ABC
Each is shown on following link:
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html

60 degrees C is 140 degrees F.
You can get burned pretty quick at 140 F.
I suggest 125-130 F and see if that works
First aid for burns is to apply cool water immediately.

Jul 09, 2011 | Rheem Water Heaters

1 Answer

Is it possible to lower the top temperature on the thermostate. I can change the lower temp but not the max which I wish to set below the 180 level. Thanks


there is a high and a low limit on these units, the two control knobs are actually the reverse of what you are trying to accomblish,first lower the bottom or low cut off temp first then the high temp ,it must cycle a couple times for it to adjust

Jun 06, 2011 | Honeywell L4103A1019 combination aquastat....

1 Answer

If i am away for any length of time, do i put the temp on vacation? does the water still get warm?


Since you didn't provide the brand & model of the thermostat, only generic help can be provided.

Most furnaces that run on oil or gas, make hot water all the time, 24 / 7 - winter, summer and everything between so to speak. They are controlled by an aquastat that may be set for any value between 140 - 180 degrees F. This is called "hot start" - simply because when the thermostat is set to a temperature higher than the room (turning heat ON), the water is already hot in the furnace, and is circulated immediately. If it was a "cold start", you'd have to wait for the water in the furnace to heat up from room temperature. This would substantially increase the amount of time it would take to heat the room.

Generally, the "vacation mode" simply halts the program from running. If your thermostat changes temperatures several times during the day / night, it will simply hold the lowest temperature - or a predetermined temperature built in - or chosen by you. You'll need to consult your manual to determine just how your thermostat handles the vacation mode setting. Post again if you can't find the manual - but tell us what brand and model it is.

I hop ethis helps - good luck!

Many heating thermostats don't allow for setting a temperature below 45 degrees F so freeze ups shouldn't be a problem.

Sep 30, 2010 | Heating & Cooling

1 Answer

Short burn cycles


if thats a new themostst it sounds like you didnt set the cycle dip switches correctly,the type of heat you have is unknown to the thermostat so you have to tell it or it may short cycle or overheat

May 02, 2009 | Honeywell Heating & Cooling

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