Question about Honeywell HZ-709 Oil Filled Radiator Heater

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My honeywell oil heater fell over on its side and now it wont go on the manuel said to put it up right and it should respond, but it isn't, its a HZ-709, please help

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Four small titted tamper proof Torx screws hold the vented side cover to the unit. Two of the screws are under the narrow plastic trim that easily unsnaps at the top of that cover. Gently removing the cover with all of the wires still attached exposes the weighted mechanical saftey (anti-tilt) switch that allows for the possibly bent electrical contacts to be readjusted. Check and tighten any loose or overheated spade connectors and the rest of the operations may not need any further attention.

Posted on Dec 04, 2009

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Try unplug it for a few Min's and see if that help if not call the 800 number on the side of the heater. You may have to have a service ticket don't on it.


The number is 1-800-477-0457

Posted on Nov 02, 2009


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Model hz709 manual

Was there any physical damage to the heater when it fell over?

The HZ-709 has safety features that might prevent its subsequent operation.
1 - It has a tip over switch but the heater should operate normally when it's upright again.
2 - A thermal cut-off fuse will permanently shut down the heater should it operate at a higher than normal temperature. Was it operating when it fell over, or could it have overheated?

If it's none of those, try contacting the manufacturer Kaz directly by email, Facebook, Twitter, etc. as the HZ-709 has a 3-year warranty.

Digital Electric Radiator HZ 709

Jan 31, 2014 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

How do we operate and turn on it i have no manual

The left button under the temperature display lets you toggle between the heat output (high, medium and low) settings. Press the left or right side of the buttons. The center button sets the timer; press the left side of the button repeatedly to increase the run time. Press the right side to lower the length of time before the heater shuts off. The right hand button sets the desired final temp. Again it's an up/down toggle on the left and right sides of the button. Once you get to the desired temperature (in 1 degree increments), the display will return to showing the current temperature three seconds after you release the button.

Home Depot has the Use and Care manual on their product site: . The direct link is'altruik'202804472 . You will need Adobe Reader or a similar program to view the document.

I hope this helps.

Cindy Wells

Dec 14, 2012 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

Honeywell 709. tried to move to another room. forgot to turn off before pulling out plug. wont start. plug is ok, works for lights. wont turn on. what do i do ?

let sit overnight, most likely disturbed the internal t-stat.The oil has to settle again. And make sure power oi off before turning on.

Apr 01, 2011 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

Heater was knocked over. now will not come on

try tipping unit over to reset the safety switch that was activated when it fell. u may have to do this a few times.

Jan 05, 2011 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

Where does the blue wire go?


Feb 09, 2010 | Honeywell Programmable Thermostat Heater

2 Answers

Honeywell oil heater just bought a month old shut off on its own wont come back on

sounds like an issue that shoud be under warranty. I would contact the manufacturer for advise.

Jan 12, 2010 | Honeywell HZ-709 Oil Filled Radiator...

1 Answer

How do I change the temperature settings at which the heat pump switches to the oil fired boiler?

go to
and enter your model number on the right side near the top. sounds like you're talking about the balance point.

Oct 15, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

I cant figure out how to set up timer

Go to
and search for a manual for your model number thermostat on the right hand side of the page.

Oct 13, 2009 | Honeywell Electronic Programmable...

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Honeywell oil heater HZ680

here is a REAL solution... as i just fixed this myself... what you need to do is take apart the heater... this is easy to do, all you need is a screwdriver for this part... on top there is a panel, this can be taken off with a butter knife if you dont have a screwdriver... anyways, underneath this panel are 2 screws, take those out, flip the heater upside down, and take out the other two screws... now the whole side panel will come off... after that, you pull all three plugs off the thermostat with the heater on the flat side opposite, next use a pinch pliers to remove the bolt that the the plugs were just attached to, the next part they tell you not to do, well i guess they tell you not to do any of this... lol... but yeah, put engine oil inside... it heats the same as the heater oil... put the plug back in, and use Liquid Nails clear sealant under the electrical stuff (do not put it on the metal part surrounding it as this will be come a fire hazard then) reconnect the plugs in the order you took them off from (white one is on the bottom) put the heater back together and you are golden! XD hope this helps!

Oct 18, 2008 | Honeywell HZ-680 Oil Filled Radiator...

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