HOTSTART’s TPS thermosiphon heating system is a coolant preheater, developed to maintain optimal temperatures for diesel and gas engines in stationary land power, marine, construction equipment, and truck applications. Depend on consistent, reliable heating with the proven design of the TPS Thermosiphon heater. Heated coolant rises through the engine block, maintaining critical fluid temperatures for easy engine starts when needed. The TPS can be configured for almost any weather-protected application. Multiple options and voltages are available, including UL/C-US listed and CE-compliant models. The heaters inlet and outlet positions allow for quick and simple installations, reducing complicated plumbing requirements. Each heater comes with a mounting kit for optimized installations.