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Reliance Controls TF151W Easy/Tran Single-Circuit 15 Amp Furnace Generator Transfer Switch For Up To 1875 Watt Generators

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3 new from CDN$ 208.45
  • UPC: 851890000256
  • Weight: 2.40 kg

Product Details

  • Product Dimensions: 12.7 x 29.2 x 33 cm ; 1.7 Kg
  • Shipping Weight: 1.9 Kg
  • Item model number: TF151W
  • ASIN: B000HRWG8U
  • Date first available at Amazon.ca: Aug. 5 2013
  • Average Customer Review: Be the first to review this item
  • Amazon Bestsellers Rank: #19,116 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
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Product Description

This single-circuit transfer switch connects a hardwired furnace to a portable generator. Can be used on any 15 Amp 120V forced-air furnace circuit. Simply plug a standard grounded extension cord into a power outlet on your generator and into the built-in plug on the transfer switch. Indicator light illuminates area around switch during power outage. Indoor surface mount. UL listed. 5-year limited warranty. U.S.A. Single-circuit 15 Amp furnace transfer switch for use with 15 Amp generator Connects forced-air furnace to portable generator 18-inch aluminum conduit allows easy connection UL listed 5-year limited warranty

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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: HASH(0xa0406db0) out of 5 stars 72 reviews
29 of 30 people found the following review helpful
HASH(0xa04169cc) out of 5 stars Excellent device for winter power outages Dec 30 2008
By shep - Published on Amazon.com
Verified Purchase
This is the simplest and cheapest device to easily enable connection of a generator to your house (short of just disconnecting the wires and attaching them directly to your generator--not really recommended in the panic of the moment in a power outage). It is used on one circuit only--a 15 amp one. The obvious circuit to use it on is for your furnace (forced air or, like me, hot-water radiators). If you have a long power outage in the winter, you can run your furnace from time to time to prevent the house from freezing.
While you can of course plug in a conventional gasoline-powered generator, I use this transfer switch to plug in a 12 volt power inverter during power outages. The inverter generates 120 volts from my car battery. If you get a big enough one (maybe 1000 watts) it will sustain the brief initial "transient" surge of power needed to get an electric motor going. The actual power needed after than initial surge is pretty low: about 300 watts. It is probably best to run the car's engine while doing this, so as to be sure to have full power and to prevent the car battery from running down. This method worked on my old furnace with a cheap power inverter. On my new furnace (a fancy one with electronic controls) there was a twist: I found I had to use a "Pure Sine Wave" inverter, not a standard (so called "modified sine wave", which is closer to a square wave) one, to make it start. (a refrigerator and sump pump don't need pure sine wave).
With a power inverter one can avoid the hassle, expense, smell, gasoline-storage hazard, and pollution of a gasoline generator that one almost never needs to use.
The instructions for this transfer switch assume you will be connecting this switch to your main fuse box. But I found that it's more convenient to connect it on the line leading to your furnace--a method shown in illustration on the box but not detailed in the instructions. Use great care to be sure to wire it up correctly.
11 of 12 people found the following review helpful
HASH(0xa041715c) out of 5 stars Use it to Make My Furnance Run during an Outage April 23 2011
By ZenReader - Published on Amazon.com
Verified Purchase
I was looking for an easy way to power up my furnace during many winter outages. I bought this unit to do the job. Its made of heavy gauge metal with a heavy gauge conduit connector coming out of the bottom. Installation was pretty straight forward. You first need to find the circuit connecting your furnace to your main home circuit box. Mark it and remove the cover to the box. (Its recommended that you shut off the main to your house -single large breaker usually at the top of the box marked main.) You may have to open your Reliance and install the plug shown on the front picture. This is done by removing the 3 screws in the cover plate. Install the plug with three wires inside. Pull the wires from the conduit into the main box. Disconnect the wire leading into your furnace circuit breaker and connect to the marked wire from the Reliance with a wire connector. Connect the other wire from the Reliance to the wire that was originally in the house circuit breaker with a wire connector. Pull the white to the house ground and connect to the grounding bar. Close up the box. Your done.

To use this connector you use a heavy gauge orange extension cord. Plug it into your generator. Plug the other female end on to the reverse plug on the Reliance. By moving the switch from line to generator you change the electrical input to your furnace. The switch simply bypasses the circuit from the house. There is a no power position as well.A red light showing generator power input. And a 15amp built in circuit breaker.

I have added a more robust transfer switch over the years which covers 8 of my circuits (see other review). I moved this unit to my swimming pool for those times when summer storms knock us off line. Also, you can place this unit directly on your furnace at the junction box coming in --takes a little more thinking--or as my neighbour did-- moved it to his garage and ran wiring out to it.. again these installs require bit more electrical knowledge.
6 of 6 people found the following review helpful
HASH(0xa0417438) out of 5 stars Be aware: No GFCI on generator side Dec 3 2012
By andy_l - Published on Amazon.com
The device is simple and clear. The construction looks strong and reliable. I easily installed it myself, and everything worked fine in the LINE mode. I also wanted to test the GEN mode to make sure that everything will be fine in case of power outage. Not willing to pull out and fire up the generator, I decided to use just another circuit branch of the house as an "external" source of power. I plugged in an extension cord into this branch outlet and then plugged in the other end of the cord into the transfer switch inlet... Oops, the branch circuit breaker tripped off! I double checked my connections and tried again. No chance! I spent several miserable hours to find an error in my connections, started to think that the switch might be faulty, but finally discovered that the input branch may not have a Ground Fault protection as it will be tripped! There is an explanation on Reliance Controls site under Customer Support, FAQ/Troubleshooting - search for GFCI or Honda. And my testing branch appeared to have GFCI circuit breaker. I switched to another branch for testing the GEN mode, and everything worked perfectly.
7 of 8 people found the following review helpful
HASH(0xa03ff6e4) out of 5 stars Saved my family during Hurricane Sandy March 12 2013
By B-Money - Published on Amazon.com
Verified Purchase
I ordered this product on Friday night, received it on Saturday, installed on Sunday, and Hurricane Sandy came on Monday. The hurricane left us without power for 7 days and we would not have been able to survive without this device! It was VERY easy to install based on the instructions it came with (I also watched some online videos just to make sure I was doing it correctly). The Reliance Control switch was very simple to use and completely powered my furnace for the entire week that we were left without power. After it is installed - for operation you leave the device on "line" when the house has power and when the power goes out - flip the switch to "Gen" after the generator is plugged in. That's it.

By comparison, the year before we were left without power during the October snowstorm ("Snowtober"). We did not have this device and relied on our generator and a small space heater to heat our living room. The space heater guzzled the gas in the generator and BARELY created enough heat in the room to be noticeable. We were miserable.

With the gas crisis that we experienced after Hurricane Sandy, the Reliance Control switch was a miracle. It hardly used any gasoline to power the thermostat and ignite the natural gas burner that heats the house (through radiators). We had friends staying with us because we had heat and felt guilty for those that were left cold (some of our friends house temperatures dipped into the 40s after a week - but we were toasty in our house, which was in the 70s).

I cannot recommend this device enough. I suggested it to everyone I know after the storm. It is a must have if you experience power outages during cold seasons. The switch is easily powered by a small generator and only requires a regular extension cord that runs from the generator to the switch (you don't need a special cord - just a regular 3 prong extension cord (2 prongs + 1 ground).

Based on my experience and the comfort it brought to my family and friends, I would have paid double for it.
5 of 5 people found the following review helpful
HASH(0xa03ff2ac) out of 5 stars Very easy to install March 12 2013
By Andy - Published on Amazon.com
Verified Purchase
I was amazed at how easy this product was to install. It took less than 20 minutes, with good instructions. The only thing you need to be careful of is that this unit will not work with inverters that have built in GFCI. I found that out the hard way, if you are using an inverter to supply power, make sure it does not have GFCI. I ended up using a Power Bright and it works great!

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