Hey there! If you're looking to upgrade your fireplace's heat distribution, this Yiming GFK4 blower fan kit might be just what you need. It's designed as a direct replacement for tons of Heatilator models like DV3732, NDV4236, and many more - seriously, the compatibility list is huge! Works great with Majestic, Vermont Castings, Monessen, Lennox, and Temco fireplaces too.
What's really cool about this kit is it comes with everything you need for installation. You get the blower unit itself, a magnetically mounted thermostat that automatically turns on when things heat up (around 120°F) and off when things cool down (around 90°F), plus a variable speed control knob so you can adjust the airflow just how you like it. No need for a special wall switch thanks to that built-in thermostat!
Let's talk specs - this thing moves some serious air with 130 CFM airflow powered by a 120V motor. The ball bearing design means it runs super quiet, and those included foam pads help prevent any vibrating noises against your fireplace walls. Dimensions are 12.5\ x 3.73\ x 3.23\ so make sure you've got the space.
Installation's pretty straightforward - just use the double-stick foam pads to mount it to your existing fireplace walls. The thermal switch does all the smart work for you, kicking in when the fireplace gets hot enough and shutting down as things cool. Perfect for making your fireplace more efficient without any complicated wiring or controls.
Looking for cross-reference numbers? This replaces GFK4, GFK4A, GFK4B, FK4, Rotom HB-RB74K, and R7-RB74K models. Whether you're dealing with an older fireplace or just want better heat circulation throughout your room, this blower kit has you covered with reliable performance and easy setup.