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MANUALS (1)
Product Highlights
Description
Features
- Low voltage, spring-return damper actuator.
- Honeywell M847D1012 is equipped with anti-rotation and drive shaft extensions for direct mounting to 7/16 inch diameter coupling style dampers.
- Adjustable range stops.
- Direct replacement for M847D1004
Specs
| Product Type: | Miscellaneous |
|---|---|
| Used With: | EARD Series ARD Series ZD Series |
| Height: | 3-3/8" |
| Model: | ZD Series |
| Application: | Air Quality |
| Voltage: | 24V |
| Motor: | Spring Return |
| Motor Mount: | Direct Connection to Damper Shaft |
| Motor Timing: | 10 seconds Spring Return 30 Seconds Power Closed |
| Wires to Motor: | 2 |
| Replaces: | M847D1004 |
Questions?
Product Reviews
Most Liked Positive Review
Worked as described
Most Liked Negative Review
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Pec Supply great, this component junk
This product is great...
Pleasently surprised
Damper replacement
Honeywell M84D1012 Valve Actuator Motor
Exactly what I needed at the right price
Honeywell Damper motor
It works well for the ARD6 zone damper
Service not install
Great replacement
Worked as described
Product Q&A
3 QuestionsQ: What is the replacement of M847D1012 actuator? Thanks
Asked by Abel 9 years ago
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Verified Reply- SupplyHouse StaffSKU M847D-ZONE if yours is normally open or SKU M847D-VENT if yours is normally closed.
Q: I have had a visit from PSE&G told me I had a damper problem and not a thermostat problem. An HVAC company came and wanted to charge me $1200 to redo my system for 3 masters instead of a master and slave. The duct to the family room has a damper and is controlled by the slave in our added on family room. Thank God the damper is open and the Master thermostat gets heat into the family room. I think it is a problem with the actuator. Got the replacement model for the M835A (not purchase yet). My question is this: Does an electrical current flow into the actuator which then exits the actuator and by electrical impulse signals the gas furnace to turn on? I believe that the way this could be checked is to check the electrical impulse into the actuator and test the electrical output from the actuator. PSE&G told me that it is NOT the thermostat and NOTthe furnace. How, they knew that, I don't know? The HVAC people are coming AGAIN on Thursday coming (last Thursday in March, 2014)
Asked by Gina 12 years ago
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I just hooked one wire at a time and matched them I have replaced 3 of these that way and it works fine to know if this the problem the dampers on mine did not stick open they were going bang, bang, bang when the heat came on. Maybe yours stay open. They are very easy to replace. You can watch them move when the furnace is running, so if they do not move they probably need replaced. Hope that helps
Gina, the thermostat sends a signal to your main control unit (in the attic or basement) that then closes the circuit with the appropriate damper actuator, which causes it to close/open. The control unit then closes the circuit to your furnace, A/C, or heat pump, which turns it on. If the damper is not opening/closing properly then I recommend buying this part and replacing the actuator. I did this several years ago and it took me about an hour or so to swap the bad one (spring had sprung and it was stuck in the open position) with the new one. I have very little HVAC experience but this is definitely a do-it-yourself project if you take your time and are careful and have an understanding of the electrical connections. You will save a ton of money! Good luck!
The Actuator is controlled by the thermostat that is in line with this duct, in turn activates the HVAC unit when called for by each thermostat, depending on how many zones you have.
That is very overcharge from an HVAC co. I have seen this acctuator fail, and does it cost about $ 95.00 each, if you know how to install it. Search on the internet for that model. Also does have an upgrade model for that actuator also. It is the function of the thermostat to turn on the furnace, on your case the thermostat send a signal to the control box and the control box send a signal to the furnace. Also is possible to have an extra thermostat instead of the control box. If need any clarification, just send an email. Jed Norberto Polar Mechanical Inc Orlando, FL
Q: I now have a M847D1004 motor with a stripped out gear. I would like to know if the gears are plastic or brass and if this is a common occurrence in a four year period. The unit now is set for 80/20 distribution. If I purchase the M847D1012, is this easily replaced and set up for the same operation. I am very mechanically inclined and I certainly do not want to pay anyone $275.00 to replace it. What is the warranty on a new motor and can a gear be purchased for my old to keep as a spare. Thanks for your help.
Asked by Luther 16 years ago
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Verified Reply- PexSupply StaffThe longevity of a motor can range from 2 to 6 years, depending on the number of times it cycles. The M847D1012 is the correct replacement and the warranty on the motor is 1 year from the date of purchase. There are no parts available for the old and new motors.
On my M847D1004 unit, the plastic gear is stripped, but not entirely - only about 1/2 way. This allowed the damper to move to about 1/2 way between OPEN and CLOSED positions and then the motor would keep turning, trying to catch the next tooth of the gear. I found that by carefully disassembling the unit, I could reposition the plastic gear 1/2 turn so that a "new" set of teeth would engage the motor. I am hoping this will extend the useful life of the unit for a few more years (it was about 5 years before I started having problems).
It's plastic. This will occur again. Just have another as spare...