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ECPHotBox5Combi-240
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ECP Autoterm 5kw HotBox Hydronic Water Heater 240w AC with Autoterm 2D Air Heater
- Autoterm 5kw Flow 5D Diesel Water heater
- ECPHotBox Hydronic Tank 15litre with internal Plate Heat Exchanger
- Autoterm Push Control
- 2 x 600w (1200w) 240volt Thermostatically Controlled Elements with Push Button Control
- Full Install Kit - please read installation guide for more details
- Complete Autoterm 2D Air Heater
This is the most efficient way to have both Water Heating and Air Heating:
- Less 12volt amp use
- Lower Diesel consumption
- Hot water on demand
- Better room temperature control
- Lower maintenance requirement
Dimensions of Tanks and Liquid heater unit combined:
- 280mm Width
- 295mm Height
- 408mm Length
A compact, reliable system to provide hot water on the move, with the ability to run the unit while you’re travelling. It’s powered by the proven Autoterm Diesel Liquid Heater, trusted in mission‑critical applications around the world.
ECP Autoterm water heating systems are designed in Melbourne for Australian conditions, tested across the country, and used in vehicles travelling all over the world.
DIESEL HOT WATER SYSTEMS - Reliable Hot Water - Without Gas
Why Choose Diesel Hot Water?
- No gas on-board - No bottles, no compliance issues.
- Fast heat-up - Quicker than gas storage systems.
- Compact & efficient - Saves space while delivering high output.
- Built for Australian conditions - Backed by 18+ years of diesel heating experience.
- Weather-resistant - Reliable in all conditions.
- Multiple outlets - Connect to shower, sink, or outdoor kitchen.
- Safer than gas - No open flames, no leaks.
- Used in - Caravans, Campertrailers, Houseboats, Marine Applications, Diving Applications, RV's, Motorhomes, Mobile Food Service, Tiny Homes.
Why Autoterm?
- Europe's fastest-growing diesel heater brand.
- Trusted by 1700+ companies worldwide.
- Backed by a 3-year warranty.
Why Buy From Us ?
Everything Caravans - Established in 1975, we have over 50 years of experience servicing and supplying RV appliances.
ECP - Our brand, built on decades of knowledge, delivering reliable products designed for Australian conditions
Liquid Heater Specifications:
| Controller | Glycol volume | Diesel Operation | Diesel Operation | Diesel Operation | 240 Volt Operation |
| Options | Litres | Time to Shower Temp | Shower Time (Based on 30degree rise) | Reheat Time | Time to Temp |
| Push, Comfort, OELD. | 15 | 14min | 10mins @ 5lpm, 19mins @ 3.5lpm. | 15mins | +30deg 29mins, +50deg 50mins. |
Note: These figures are real world figures based on 20degree ambient (it is not to much different in winter temps) and of course the numbers can be improved - shorter reheat, preheat, longer shower time if tested in summer. We want you to be able to rely on these numbers as the minimum you will achieve.
| 240 Volt Operation | 240 Volt Operation | Power Consumption | Power Consumption | Fuel Consumption |
| Shower Time (Based on 30degree rise) | Reheat Time to Max Temp | 12v | 240v | Diesel |
| 3mins @ 6lpm, 4.5mins @3lpm. (8mins @ 3lpm 25deg Rise). | 47mins | 42w/3.3amp Start Up 122w/9.5amps | 1200w | 0.62l/hr Max |
Operation using Standard Push Control
| HWS Only | Controller Operation | With Fan Matrix | Controller Operation | |
| Blue LED | Turn On (2 hr Run time) | Long First Press to Turn On | Turn On (2 hr Run time) | Long First Press to Turn On |
| Green LED | Temp reached 65 degrees | Auto Change Colour | Temp reached 65 degrees | Auto Change Colour |
| Red LED | Unlimited Run time | Short Press after Turn On | Unlimited Run Time & Turns On Fan Matrix | Short Press after Turn On |
Autoterm ECP Hotwater systems are installed and used by the following Caravan, Camper and Motorhome manufacturers:
Red Centre Caravans | Lotus Caravans | Bushtracker Caravans
Vibe Caravans | Interstate Motorhomes | VanCruiser Caravans
Zone RV | Hilltop Caravans | Wirr-Away Motorhomes
Kimberley Kampers | Vista RV | Goldfield Campers
Wonderland Caravans | Offline Campers | Explorer Motorhomes
Custom Air Group | BruderX | Nova Caravans
Elross Caravans | Halen Vans | Tommy Campers
87RV and many others
If purchasing a new van ask your manufacturer to supply a Autoterm ECP Hotwater system from Everything Caravans.
Praised for its simple, reliable operation and ease of installation.

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Key Components of the ECP Autoterm HeatPak Diesel Hotwater System
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Autoterm Flow 5D 12v Water Heater
AUTOTERM Flow 5D is a highly versatile liquid heater also known as a water heater that operates independently from the engine.
This compact heater has a 5-kW heat output and is designed to pre-heat a vehicle’s engine and compartment, thus eliminating cold start of the engine, and extending its lifetime, whilst working in unison with the car salon fan to supply comfortable warm air to the passenger compartment in the cold season. As the heater is linked to a vehicle’s coolant system, there is no need for additional air ducting to provide warm air to the passenger’s compartment.
In extremely cold environments, the AUTOTERM Flow 5D pre-heater also works as an auxiliary heater, helping the engine to reach and maintain automatically its optimal working temperature where necessary when driving.
AUTOTERM Flow 5D, with its diverse installation options, can also be used as a heater for small radiator systems or boilers with a maximum capacity of 30 litres.
This product is best suited to those who want to additionally heat vehicles with an engine capacity of up to 4 Litres, motorhomes or boats with liquid heating systems.
| AUTOTERM Flow 5D | ||||
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| Coolant liquid flow rate at 0.18 bar pressure in system |
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ECP Hydronic Tank 15litre HotBox
The ECP Hydronic Tank 15litre HotBox is a 15 litre stainless steel glycol tank with a multi plate heat exchanger for hydronic hot water and heating systems.
This unit is fabricated in stainless steel and designed for efficient heat transfer and conversion of cold to hot water using a closed glycol circuit. It is fitted with a standard automotive pressure cap and is compatible with many diesel water heaters via the built-in mounting points.
The tank is filled with a 50/50 mix of green glycol and demineralised water. Maximum fill level is 10 mm from the top of the tank, or 40 mm from the top of the fill point. Additional outlets are provided for expanding system capacity and for adding electric heating elements and air heating hardware. An insulating cover is available, and the unit is approved for WaterMark applications.
Features
- 15 litre glycol tank capacity
- Multi plate heat exchanger integrated into tank
- Fabricated in stainless steel
- Designed for hydronic hot water and heating systems
- Standard automotive pressure cap
- Fill with 50/50 mix of green glycol and demineralised water
- Maximum fill level 10 mm from top of tank or 40 mm from top of fill point
- Additional outlets for connecting a second tank for extra glycol capacity
- Outlets for fitting up to 2 x elements for 240 V, 110 V or 12 V heating
- Outlets available for connecting a heating matrix core (fan matrix) for air heating
- Mounting points suit many diesel water heaters
- Compact tank layout for easier installation in confined spaces
- Insulating cover available for this unit
- Approved for Watermark installations
Why a 15 Litre Hydronic Hot Water Tank ?
The 15 Litre Hydronic Hot Water Tank is designed for liquid heater systems where a 15 litre capacity balances heat-up time with available hot water, reducing rapid cycling compared with smaller tanks.
Reasoning
- Smaller tanks heat up faster but provide less hot water and can cause the liquid heater to cycle more often
- Larger tanks hold more water but take longer to reheat after hot water is used
- 15 litre hydronic tank sizing reduces frequent heater cycling compared with smaller volumes
- Tank volume selected to suit typical hydronic liquid heater output and recovery characteristics
- Suitable for use with compatible liquid heater hydronic systems in caravans, RVs and motorhomes

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The AUTOTERM Push Control is a compact and user-friendly device designed for operating AUTOTERM heaters with various operation modes and features, depending on the specific heater model. It comes together with a control module and wire to connect to the heater.
IP67-grade specification and a Stainless-Steel body, it is waterproof and durable even in the harshest weather conditions.
With its easy-to-operate design, managing your Autoterm heaters has never been simpler.
This Push Button has a 12mm thread and round connector but there is also a version with a 6mm deep thread and Molex connector!
Heating modes for Air heaters
POWER MODE:
The default heating mode for the Push Control button.
TEMPERATURE MODE (Works only with a connected external temperature sensor):
Designed to heat the space to the required temperature;
Heat output decreases as the difference between the desired temperature and the temperature in the space decreases.
Heating modes for Liquid heaters
PRE-HEATING MODE:
The heater will operate till the certain coolant temperature is reached then shuts off the combustion process. After the temperature of the coolant drops heating will start again.
Status display for Air Heating
- MIN= Blue
- LOW= Purple
- MED= Green
- High= Yellow
- MAX= RED
- Blinking RED - error code
- Blinking Red/Blue - switching off
Button surface diameter 25mm
Button thread diameter 22mm
AT13-0002-AF0

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ECP 240V Upgrade for ECP Hotbox
The ECP 240V Upgrade for ECP Hotbox is a 240volt add on for any ECP HotBox, using two 600w elements (1200w total) with plug and play connection, loom, relays and push button control included.
Features
- 240volt add on for any ECP HotBox
- Two 600w heating elements (1200w total)
- Plug and play 240volt add on design
- Loom and relays included in the kit
- Includes push button control
- Supplied as an upgrade for existing ECP Hotbox installations
Note: Should only be installed by a qualified electrician

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AUTOTERM 2D - with Full Install Kit for One Outlet $1759 RRP
Includes ducting and vents, with fuel pick for lots of tank options.
Genuine factory backed and locally supported 2 year warranty.
- Works on diesel fuel
- Maximum heating power of 2 kW for 12V model
- Can heat up to 75 m3 with hot air in one hour
- Used to heat small size space
- Reliable operation in low temperatures (up to -45°C/-49°F)
- Low noise level, low fuel consumption (Max – 0,24 l/h), implemented self-diagnostic
- Silent Fuel Pump
- Can be operated with control panel or via smartphone with additional modem
- Best suited for small truck cabins, commercial vehicle cabins or cargo compartments, small campers, off-highway vehicles, boats (up to 33 feet/10 m long), small greenhouses and Tiny houses.
The AUTOTERM 2D is the most compact heater model in the product line. The AUTOTERM 2D heater is intended for use in any kind of means of land transport (for example, low truck cabs, commercial vehicle cabs or cargo compartment), as well as on boats (up to 33 feet/10 m long) and on the premises.
Capacity of the air heater AUTOTERM 2D is between 0.8 kW and 2 kW, and it is capable to heat up 75 m3 of air hourly, furthermore, maintaining excellent economy and consuming between 0.1 l and 0.24 l diesel per hour.
The main advantages of AUTOTERM heaters are stable operation at very low temperatures, inductive (brushless) electric motors designed for uninterrupted operation for 12,000 hours, as well as low fuel consumption and reasonable price.
Our heaters have proved their excellent quality, working in aggressive environments, such as, for example, the marine environment and careers.
Heater AUTOTERM 2D may be controlled both by the standard control panel (PU-5) and standard alarm system (provided there is a free control channel), as well as by modem (available separately), supporting control via call/sms, and by a smartphone application, which is available both in the operating system Android, and IOS (application Autoterm Control).
Just like all the other Autoterm heaters, the AUTOTERM 2D is also delivered with full assembly set including: air supply pipe with 80 cm long silencer, silencer of exhaust gases, 1 m long discharge pipe of exhaust gases with 30 cm long insulation, 5.5 meters long polyamide fuel pipe, fuel collector in the fuel tank, digital control panel (PU-5), cables, rings, bolts etc.
AUTOTERM Air series air heaters are independent, diesel powered heating systems that can be easily and conveniently installed or retrofitted in your vehicle.
The heater unit is supplied with fresh air from outside or well ventilated air from the room, which is taken through an air intake pipe to the internal combustion chamber. The received air is then mixed with the fuel, which is delivered through a metering fuel pump, and the air-fuel mixture is formed. This mixture is then ignited by a glow plug, which initiates the burning process to heat up the heat exchanger. Air is then drawn from the air inlet with a fan and passed through heat exchangers and the radiator fins. Finally, the heated air is pushed through the hot air outlet.
AUTOTERM Air series air heaters are excellent products for spaces which need to be heated quickly, or where there is no built in central heating system. For example: campers, boats, cabins. Etc. All heaters are equipped with built in fail-safe systems and sensors. The self-diagnostic system will automatically shut down the heater if it encounters any errors (such as battery drain, over-heating of the heater, low fuel level, air pump malfunction, or flame failure) and is thus a completely safe product.
All AUTOTERM Air series heaters are equipped with brushless induction motors that ensure low noise levels as well as a long lifetime for your device, and the capability to operate in extreme environments as low as -45°C/-49°F.
AUTOTERM Air series heaters can be controlled with various control panels or remotely via your iOS or Android smartphone (remote control modem sold separately).
| Air heater AUTOTERM-2D-12-TM-3995 | Modes | |
|---|---|---|
| Technical characteristics | High | Low |
| Heat power, kW | 2,0 | 0,8 |
| Fuel consumption, l/h | 0,24 | 0,1 |
| Rated power consumption, W | 29 | 10 |
| Heated air volume, m3/h | 75 | 34 |
| Fuel | Diesel Fuel, Alpine Diesel Fuel | |
| Rated voltage, V | 12 | |
| Control mode | Manual, standard remote control, modem | |
| Weight, kg | 6 | |
Full Install Kit includes:
- Heater and Controller,
- Fuel Pump and 6m Cable,
- Power Cable with Fuses 6.5m,
- Controller Cable 1.8m.
- Air Intake Hose 65cm and Air Intake Silencer 18cm,
- Fuel Pump Rubber Holder,
- Supporting Brackets,
- Mounting Base Plate,
- Clamps and Screws,
- Muffler with Mounting Kit,
- Fuel Hose 10m,
- Spiral Wound Exhaust Pipe 1m,
- Heat Insulation 45cm,
- Fuel Standpipe 68cm,
- Air Intake grill,
- Heater Vent,
- Heater Ducting 1.2m.
- Manual's
COMFORT CONTROL
Anew control panel that will help to control your Autoterm heater more conveniently and most easily.
- Intuitive user interface;
- LED status display.
- Thermostat function;
- Additional heating options;
- Quick access button for heating;
- Vehicle battery safety function;
- Heater maintenance reminder.
- Precise integrated digital temperature sensor.
You are purchasing from the Approved Importer of Autoterm products in Australia

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