1.5kW 120V Generator Block Heater | Free Shipping Keep your generator ready for cold starts with the Hotstart TPS151GT8-000 block heater. Designed for small to mid-size standby systems, this heater maintains consistent engine temperature for reliable startup in cold conditions. 1.5kW heating power for faster engine warm-up 120V operation for easy installation Maintains 80–100°F coolant temperature Ideal for small to medium generators and light commercial use Commonly used in 120V generator applications Need less or more heating capacity? Lower (1kW) and higher wattage TPS heaters are available depending on your generator size. Lead times may vary due to manufacturer demand. Contact us to confirm availability or find alternatives.