A high temperature limit switch (also known as a furnace plenum thermostat) is a safety device on a fireplace or furnace that is designed to cut the gas supply when the burner temperature exceeds the safe operating range. When the temperature drops back within the safe range, it will allow the gas valve to open again.
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Our magnetically mounted thermostats and limit switches make it super simple to add automatic control to your fireplace blower.
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Snap style thermostats are typically used on blower kits like the BLOT, BLOTMC and BLOTBLDV. They "snap" into a clip that's provided by the fireplace manufacturer in a specific mounting location, often times on top of the fireplace.
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Specialty thermostat limit switches and sensor include OEM and specific blower kit replacement switches.
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A spill switch is a device designed to sense and correct unsafe venting of combustion gases from a gas-fired appliance into a building.
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Need help finding the correct blower or fan kit for your fireplace? Let our experts help you track down the correct replacement blower, fan kit or part for your application. We typically only need the fireplace or stove's make and model to determine exactly what you need. This information can usually be found on gas fireplaces by removing the lower access panel and finding your fireplace's name tag or identificaton card. Wood inserts will often times have the same identificaton card, while freestanding stoves and others might have this information printed on a rear panel or door.
Once you've located your fireplace's brand and model information, simply use the Find Your Blower tool above, or the Help Find My Blower at the top of the page.
Help Find My Blower
GFK-160 Blower Kit
We've had this fireplace for nearly 4 years without a blower. Finally pulled the trigger and purchased over the phone with Jason. Not only did we receive incredible service, but this blower is absolutely amazing and does exactly what they claim it does in their videos. Thank you!!
GZ550 Blower Kit
Dealer wanted 3 times the price, so I picked this up from FireplaceBlowersOnline based on the videos and reviews I had read. Perfect! It's well-made, there's attention to detail and suprisingly effective despite the blower's relatively small size.
Avalon & Lopi Front Mount Replacement Blower
I purchased an old Lopi Freedom stove from a local estate sale and came with the original blower. Blowers were horribly loud and when I removed them, discovered the plastic wheels were badly warped and one would no longer even spin. Swapped them out with these and couldn't be happier. Ball bearings and metal wheels are a nice addition to them being quiet!
FBK-250 Blower Kit
I think it goes without saying that personalized service is becoming a rare commodity these days. But not with this team! My fireplace requires some unique installation steps, which the FireplaceBlowersOnline team was happy to help with. Jason answered my email over the weekend and called me personally the following Monday to confirm I was able to install it myself. Customer for life, thanks guys!
