King Electric HME812 8-11-AS-FS-GW 8550 - 11200 BTU Hydronic Wall Heater with Aqua Stat & Fan Switch, White - Medium - Walmart.com
100k NEW STYLE Hydronic hanging heater, Variable speed fan NO WIRING NEEDED! - The Log Boiler
Quiet-One 2000 Series 7,100 BTU Hydronic Kickspace Heater in Stainless Steel (Not Electric) KS2006 - The Home Depot
ALECOIL 50,000 BTU Hydronic Hot Water Hanging Unit Heater with Water Temperature Control Switch HHA50 Water to Air Heat Exchanger with Fan for Outdoor Wood Furnaces, Garage and Warehouse Heating - Amazon.com