0851890000256

Reliance Controls

Model TF151

Internet #202216476

Furnace Transfer Switch

$82.34 /each

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Product Overview

The Reliance Controls single-circuit 15 Amp furnace transfer switch is designed for use with generators equipped standard 5-15, 15 Amp power outlets. It allows manual control of a single circuit, such as a forced-air furnace, in the event of a power failure. The attached 18-inch flexible aluminum conduit is pre-wired and allows the unit to be easily connected at the circuit breaker panel, the furnace, or at any point in between. It can be used on any 15 Amp 120-volt forced-air furnace circuit. Simply plug a standard grounded extension cord into a power outlet on your generator and into the flanged inlet plug included with the transfer switch or hardwire to a remote power inlet box.

  • Indicator light illuminates the front of the switch under generator power
  • For use with generators up to 1850 running watts
  • Listed by Underwriters Laboratories Inc.
  • 5-year warranty

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Customer Questions & Answers

Furnace Transfer Switch
Furnace Transfer Switch

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3 answers

can this be used with an oil furnace?

This question is from Furnace Transfer Switch
Asked by
Lucy
waterford
November 17, 2012
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July 26, 2013
Answer: 
All this transfer switch does is provide for an alternate source of 120V AC power to run an electrical circuit. Doesn't matter what's on the circuit, all this does is allow you to connect a generator to it instead of main power.
So, if your oil furnace uses regular household power to operate, then adding this will let you operate it with a generator instead.
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VT
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January 22, 2013
Answer: 
If total current draw of furnace is less than 15 amps
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November 19, 2012
Answer: 
This transfer switch can be used on any funace circuit as long as the circuit breaker that normally supplies power to that furnace is 15 amps or less. If the circuit breaker is larger than 15 amps then you will need a larger transfer switch.
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This question is from Furnace Transfer Switch
 
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Can this be used with a forced hot water boiler?

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Asked by
Peter
Jonhnston, RI
November 13, 2012
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Asked by
Rosemount, MN
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Home Improvement Profile: DIYer
November 7, 2014
Answer: 
Yes, so long as the overall electrical rating of the boiler is less than the electrical rating of this switch. This transfer switch is rated for 15amp service. If your existing electrical load is less than that, then this switch should work. Just because they call it a Furnace Transfer Switch doesn't mean it has to be used on a furnace.
Keep in mind that your generator also needs to have the amperage Read More
Yes, so long as the overall electrical rating of the boiler is less than the electrical rating of this switch. This transfer switch is rated for 15amp service. If your existing electrical load is less than that, then this switch should work. Just because they call it a Furnace Transfer Switch doesn't mean it has to be used on a furnace.
Keep in mind that your generator also needs to have the amperage capacity to start and run the boiler equipment. I'd assume there are water pumps, fans, electric fuel igniters... The pumps and fans may draw more amps then they are listed for in the first couple seconds that they are starting up from a dead stop. If you oversize your generator slightly to account for that, you'll be fine. Avery general rule of thumb is to increase the overall power needed by 20% to the size the generator, but I've seen water pumps and blower fan motors that will draw almost double the amperage they have listed on them for a couple seconds when they start up. Your mileage may vary, but my furnace setup works fine on an 1800watt generator that has a 2200watt surge rating. Read Less
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VT
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January 22, 2013
Answer: 
Installed on my natural gas hot water boiler, as my furnace appliance draws < 200 watts , well with-in the spec of the 15amp transfer switch. You need to know the wattage draw of your water boiler system. If unsure, have a licensed electrician install for you.
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November 14, 2012
Answer: 
This transfer switch can be used on any electrical circuit that is 15 amps or less. If your boiler is on a 15 amp single pole circuit breaker then this switch will work. If the circuit breaker that controls your boiler is larger than 15 amps then you will need a transfer switch that can accomodate larger circuits.
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can this switch be used with a generator that has a max wattage rating of 6000 watts? gen has 4 reg outlets and 1 220 outlet.. tnx

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Asked by
cnjr42
liverpool ny
August 30, 2012
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July 26, 2013
Answer: 
Generator wattage shouldn't matter really. As long as you are mindful of the wire size/gauge requirements for the load you want to operate, and your generator is capable of powering that load, you shouldn't have any problems. Most generators have a circuit breaker of some type that should trip if you try to draw too much power, and in the case of this transfer switch it also has a circuit breaker that Read More
Generator wattage shouldn't matter really. As long as you are mindful of the wire size/gauge requirements for the load you want to operate, and your generator is capable of powering that load, you shouldn't have any problems. Most generators have a circuit breaker of some type that should trip if you try to draw too much power, and in the case of this transfer switch it also has a circuit breaker that should do the same thing.
So yes, it should be usable with any generator that has a standard 15amp receptacle on it. Read Less
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VT
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January 22, 2013
Answer: 
Yes, as long as the circuit you are isolating never exceeds the 15 amp max rating.
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August 31, 2012
Answer: 
Yes, you can use one of the standard 120 volt outlets (not the 220) and a common extention cord to connect your generator to this switch. Any generator with a standard 120 volt outlet will work fine.
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do I shut off the breaker in the service panel that my transfer switch runs through when power is out?

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mackinaw il.
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October 31, 2014
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Rosemount, MN
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November 7, 2014
Answer: 
No. When the power fails and you want to hook up the generator, you put the transfer switch from LINE to OFF, start your generator and plug the transfer switch into it, then move the selector from OFF to GEN (Generator). Your furnace will now be on the connected generator, disconnected from the main electrical panel.
Flipping the breaker in the main panel won't do anything since your source selection Read More
No. When the power fails and you want to hook up the generator, you put the transfer switch from LINE to OFF, start your generator and plug the transfer switch into it, then move the selector from OFF to GEN (Generator). Your furnace will now be on the connected generator, disconnected from the main electrical panel.
Flipping the breaker in the main panel won't do anything since your source selection will disconnect it from the furnace.
When the power comes back, move the selector back to Line (after the furnace has stopped running, or you stop it running) and then power down and disconnect your generator. Read Less
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November 3, 2014
Answer: 
No, it is not necessary to turn off the circuit breaker. The transfer switch will safely keep the generator power separated from the utility power at all times, even with the circuit breaker on.
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Customer Reviews

Rated 4.8 out of 5 by 18 reviewers.
Rated 5.0 out of 5.0 by Simple and straight forward Installed at the furnace instead of at my power panel since the panel is in a bedroom closet and I didn't want to tear up the Sheetrock to do it. See Picture. Added yellow 12/2 wire between new duplex outlet box and furnace. Wired transfer switch using the included flex conduit to the outlet box. Made all connections in the outlet box. End result: My UV air purifier light is on the protected circuit along with the furnace. It all works quite well, and I'm thinking of getting another transfer switch for a different circuit that I'd like to protect. Took maybe 20 minutes to think about how I wanted to install this, a trip to the local store for the outlet and box, and about an hour to install and clean up the area. I like it, and it's clean and simple. Mounted everything high up on the wall to keep it out of the way, but still reachable when I need it. July 26, 2013
Rated 5.0 out of 5.0 by Works, easy to install, looks professional It did not take long to install correctly, works, and looks professional. What more could I need? Well for less than $100, it makes my prortable generator a good approach to keeping my house warm and refrigerator cool in case of an outage. Excellent. December 8, 2015
Rated 4.0 out of 5.0 by Fine Device - Little Pricey Fit and finish of this device is very good. I wish it was a little less expensive. I would have given a 5 star review if it was $75. It cost me $93. Oh well.. October 20, 2015
Rated 5.0 out of 5.0 by Excellent Product! The instructions were excellent and the item was simple to install. I only had shut off the breaker main for about 15 minutes to get the wiring done. December 23, 2014
Rated 5.0 out of 5.0 by confident purchase Easy to install - clear instructions - works as advertised - no problems January 13, 2015
Rated 4.0 out of 5.0 by Switch Was impressed with the quick delivery and the quality of the product. Thanks for the service. January 21, 2015
Rated 5.0 out of 5.0 by Another well made, easy to install product from Reliance Bought and installed this furnace transfer switch for a friend who didn't want the expense of a multi-circuit whole house unit.For someone who only wants to be able to heat their house with a generator in an emergency, for about a hundred bucks, this is the way to go.Reliance makes good stuff. I've installed one of their 10-circuit kits in my home and helped a neighbor install another.They provide great technical support through their website and by phone.Since this switch is grounded directly to the main panel during installation, the generator requires no additional grounding cable, as long as it's plugged into the transfer switch. You can still run additional extension cords from the generator to power additional needs in the house. January 1, 2013
Rated 5.0 out of 5.0 by Excellent Product!!! Easy to install. Allows homeowner to utilize portable generator to power the furnace in the event of a power outage. Only 4 wires to connect. Saved money by installing it myself without the need to hire an electrician. Quick tip: Can test unit without starting the generator. Simply run an extension cord from another electrical outlet and plug it in to the transfer switch. If you went to the trouble of buying a generator you should definitely buy this product to ensure you can heat your home if the power outage occurs during the winter months. January 3, 2012
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