Pre-Start Engine Heater Autoterm Flow 6B-PU28, 12V Gasoline



Pre-start engine coolant heaters work independently from the engine.
They heat up the engine coolant to provide an easy start at low temperatures. With an additional heat exchanger, they supply hot air to the passenger cabin/compartment keeping it warm and dry.

Heaters AUTOTERM FLOW 6B-PU28, 12V Gasoline have programmable start and stop control and automatically maintain pre-set coolant temperature. With the controller PU-28, you can set the timer for up to three starts / stops a day.

Refer to Operation Manual for installation and operation procedures.

Refer to Instruction Manual.
*For heating up to 35 ft. power boats / 40 ft. sailboats, commercial trucks, buses, vans and motorhomes.*



Kit Contents:

Product Contains
Autoterm Flow 6D-PU28 – 12v Petrol / Gasoline Coolant Heater 1
Controller PU-28, programmable, with touch screen 1
Circulation pump, D-7 Pierburg 1
Inline Metering Fuel Pump, TH9-4.0ml, 12v 1
Fuel Line, 6.0 m 1
Wire harness assembly 1
Controller wire harness, 1.8 m 1
Fuel Pick-up Standpipe 1
Stainless Steel Flexible Exhaust, 3.0 ft. 1
Exhaust muffler 1
Exhaust insulation sleeve, 450 mm./ 18 in. 1
Coolant rubber hose 1
Combustion Air Intake Hose, ft. 2
Set of Fasteners & Brackets 1

Technical details:

Voltage 12 V
Heat Output; kW (BTU): 5.0 (17,000)
Fuel Consumption; l/h (gal/h) 0.70 (0.19)
Nominal Supply Voltage; V 12
Power Consumption with pump; W (A) 45.0 (3.75)
Power consumption at the start (100 sec), W (A) 65.0 (5.42)
Maximum coolant temperature, ̊ C (F) 85 (185)
Altitude 3000 m (9800 ft)
Weight, heater; kg (lb) 3.4 (7.6)
Dimensions, heater, L x D x H; mm (in) 240 x 115 x 175 (9.45 x 4.53 x 6.89)
Operating Modes Manual / Timer

Additional information

Weight 9.0 kg
Dimensions 46 × 28 × 24 cm

Manual and Certificates

Operation Manual

Download User’s Manual with Installation Instructions for AUTOTERM FLOW-6D 12V/24V & FLOW-6B 12V

Operation Manual for Control Panel PU-28

Technical Information

Catalogue of Parts and Assemblies

*Coming Soon


Go to Top