Therm Products was recently purchased and is now a division of Hydroquip (www.thermproducts.com). It appears that some of the manufacturing was temporarily paused during this transition time period so there is a delay in shipping some heaters to our supplier sources. So please be patient as they try to get more in stock and we do our best to fulfill orders as they come in. We will do our best to update the website but the status is changing daily. Therm Products also is under the tradenames of Thermcore, TruHeat, and Aquatemp Products. Thank you for your patience.