Engine Heater SafeStart 000 series

Flat conical flange

Heaters in the 000 series can only be installed in vehicles with cast iron engine blocks and a sufficiently large coolant tank.


This heater can only be installed in vehicles with cast iron engine blocks. It is used for engines with a sufficiently large coolant tank, in which the entire heated section of the heating element can be installed. It is fastened with a press fit. The heater flange consists of a conical washer.

Engine pre-heaters are supplied separately because of specific necessary adaptations to each individual engine and vehicle type.


Normal usage – DEFA engine heaters are designed for “normal usage.” DEFA defines “normal usage” as; 3 connections for 3 hours pr. Twenty-four hours for 150 days (5 months) a year.

Professional use – For use emergency vehicles or other vehicles where the heater is in use continually, yearly controls are necessary. It might be necessary to install a replacement heater. Yearly service cost will not be covered by DEFA AS.

NOTE! Pulse power – Some parking facilities use interval (pulse) power timers that turning the power On and Off several times per hour. Using a DEFA engine heater in combination with these timers is NOT considered “Normal use” and claims will be declined.

Technical description

Tests on a medium-sized vehicle show that a 600W 000-series heater will increase the coolant temperature approximately 50 C in relation to the outdoor temperature when connected for 195 minutes at an outdoor temperature of -17 C or colder. After 195 minutes, the system has achieved thermal balance. Heating for longer than 195 minutes at -17 C or will lead to energy waste. We recommend using a timer.

Up to 25 per pack, depending on the size of the heater.

DEFA AS conforms to the requirements of both ISO 9001- 2008, ISO 14001:2004 and OHSAS 18001:2007. Also, our engine heaters and cables conform to the requirements of ISO/TS 16949:2002.