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Expert Answers about Vehicle Heaters


  • Thread Size Of Kats Engine Block Heater
  • The Kat's Heaters Custom Fit Engine Block Heater, like part # KH11409 are vehicle and engine specific. The threads on the # KH11409 are 3/4 inch NPT. If you want to let me know the year make and model of the vehicle you want to use the heater on I will recommend the right heater that will work for you if available.
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  • Does Kat's Magnetic Engine Oil Heater Have A Thermostat
  • The Kat's Heaters Handi-Heat Magnum Magnetic Engine Oil Heater, part # KH1190, does not have a thermostat included. It has a heat output between 300 and 400 degrees F and the heating area is approximately 20 square inches. This does plug into a 110 outlet and is a 300 watt heater. Many customers will install the heater and leave it on overnight, while others will plug it in for a couple of hours before starting the vehicle to warm the oil. I have attached a link to a video that shows...
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  • Can Line Voltage Thermostat be Used with Kats Heaters Vehicle Interior Heater KH37100
  • The Kat's Heaters Vehicle Interior Heater # KH37100 includes its own internal thermostat so it would not require a line voltage thermostat. Line voltage thermostats are usually employed for larger heating devices like baseboard heaters and direct-wired electric furnaces. My contact at Kat's said you could use a line voltage thermostat that has an AC receptacle (not a hardwired one) so that you do not void the product's warranty by cutting off its AC plug.
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  • Do Kat's Heaters Defrost Fans Put Out Heat
  • The Kat's Heaters Defrost Fan # KH43101 does not put out heat. It is just a "heavy duty" fan to better circulate the warm air inside of your vehicle. If you're wanting something that will actually put out heat you could use the 12-Volt Heater and Defroster # PTW5009 or the Rampage Radiant Backseat Heater # RA3501.
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  • Can You Take The Plug Off Of A Kat's Heaters Vehicle Interior Heater
  • The plug on the Kat's Heaters Vehicle Interior Heater # KH37100 is molded to the wiring so you wouldn't likely be able to get the plug back together once you were done. Instead you could cut the wires further back from the plug and trim back the casing and heat shrink butt connector # DW05744-10 the wires back together once you're through the fire wall. You will want to ensure that the wires are oriented in the same way when you reconnect them so I would mark one wire on both ends to ensure...
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  • How Long Does The Kats Heaters Circulating Tank Heater Take To Warm Up
  • For starters, the Kat's Heaters Thermostatically Controlled Circulating Tank Heater part # KH13150 would most likely not bring the engine up to operating temperature as that is not its intended purpose. The purpose of the unit is to preheat the engine to a reasonable temperature before startup. Unfortunately, there would be no way to give an accurate figure as to how long the Kat's Heaters Thermostatically Controlled Circulating Tank Heater part # KH13150 will take to warm your fluids...
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  • How Long Does The Kat's Lower Radiator Hose Heater # KH16500 Take To Reach Running Temperature?
  • While Kat's does not give a specific amount of time the Lower Radiator Hose Heater # KH16500 will take to warm up a vehicle, I have found several reviews which state it only take between 30 minutes and 1 hour for the vehicle to get up to temperature. Kat's recommends leaving the unit plug in at all times in freezing temperatures to help prevent condensation freezing issues due to the engine cooling below freezing point.
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  • Ground Wire Connections For a Water Heater And Battery On a Camper Trailer
  • As this can vary from manufacturer to manufacturer you will typically see the ground wires ran to a frame/chassis ground. This reduces the number and amount of wiring that is required to run all the wiring directly to the battery. Yes the battery will be grounded to the frame on these type of campers. Often this is done as the battery on your camper is not only for powering the camper but is also tied into the breakaway brake system. This allows them to only use one battery instead of...
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