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HS2000E Blown Air Heater Gas & Mains

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Propex HS2000E Heater – The Gas & Mains Blown Air Heater

The Propex HS2000E heater is an automatic thermostatically controlled blown air heating system fuelled by propane/ butane gas or 230V mains electric.


Propex Heatsource blown air systems are used in many applications throughout the world, these include: Motorhomes, Caravans, Boats, Cranes, Horseboxes, Trucks, and RVs

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The HS2000E is supplied as standard with a solid state electronic thermostat which automatically switches the unit on and off to maintain the desired temperature. When the room temperature drops below the selected level, the Heatsource will automatically ignite and run until the cabin reaches the selected temperature.

Easy to install

The thermostat is an easy to fit surface mount design and integrates with the new electronics fitted to the HS2000E heaters. Simple intuitive controls enable easy switching between the gas and electric modes and a constant heater feedback loop enable quick and easy system diagnose. Selectable electric hook up power levels easily ensures you do not over load your available supply.

Propex Heatsource HS2000E

Propex HS2000E Heater and Thermostat


Gas Efficiency

With forced air combustion and the Propex two stage stainless steel heat-exchanger, the HS2000E is a clean and highly efficient way to heat your vehicle or boat. Air for combustion is taken from outside your caravan or boat and passed into the combustion chamber having been mixed with gas during three aeration stages, it is ignited automatically and heats up the large surface area of the heat-exchanger. The Heatsource units are totally room sealed and exhaust all products of combustion externally through the neat 22mm i.d. stainless steels flue pipe. To add to the efficiency, cabin air is normally re-circulated in preference to using cold air from outside. The HS series heaters are also very efficient on12 volt electrical current consumption drawing less than 1.7 amps on gas operation or 2.2 amps during mains electric operation.

Mains Electric

For those using a mains hook up there is the option of using the powerful electric element with efficient heat exchanger built in. Three settings are available giving 500W, 1 KW or 2 KW of heat output and drawing a maximum current of 9 Amps. The motor speed is altered to suit each power level to ensure maximum efficiency or, when on low 500w setting keeping motor and air noise to a minimum for night time running. The heater is supplied with a mains cable and moulded 3 pin plug.

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Features & Safety

Quiet Operation

Propex heaters are designed to be quiet in operation without compromising air throughput and heat output. There will always be some air noise from a system that produces a healthy throughput of air, however, by using high quality balanced fans and smooth enclosed motors with ball race bearings, noise is kept to a minimum. Noise is also unaffected by high voltage, a common occurrence with battery charges, solar panels etc permanently wired. The micro-processor electronics regulates the motor voltage so that the fan speed does not alter between 10 to 15 volts.


Heatsource blown air heaters conform to the latest European standards for both the appliance and the electronics and during the rigorous testing the focus is very much on safety. The heaters also have to comply with an enhanced version of the Electro Mechanical Compatibility Directive to ensure they do not interfere with other electronics and that they are immune from interference by other electronics. The intelligent electronics are continuously monitoring the operation of the heater to make sure everything is operating correctly and safely. This includes monitoring of the flame, case temperature, combustion airflow, gas solenoid valve and voltage. Should any of these stray outside of the predetermined levels, the heater will be switched off and the red light on the thermostat will indicate a fault by flashing a certain number of times.


The HS2000E can be supplied with complete fitting kits to suit either vehicle or marine applications. In vehicles and caravans the unit is usually mounted in a bed-box or cupboard, flued downwards through the floor and out to the side of the vehicle using flexible stainless ducting. These ducts (22mm i.d. for the HS2000E) are supplied as standard in lengths of 750mm for vehicles and 1 metre for boats. The ends are finished with neat stainless steel end-caps which comply with EN624. The heat is ducted to one or more outlets through tough highly flexible 60mm ducting. In the case of multi-outlet installations, the first outlet is an open outlet with directional control and the rest are closable and are used in conjunction with the appropriate sized plastic Y-branches. Marine applications feature an attractive polished stainless steel through hull fitting which accepts the stainless steel pipes for the flue outlet and the combustion air inlet. Extra ducting and stainless steel bulkhead mounting brackets are also part of the marine fitting kits.

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The chart below reflects the consumption of gas if the heater was running continuously.

Average consumption 142 grams/hour
3.9kg propane cylinder 27.5 hours
4.5kg butane 31.7 hours
13kg propane 91.5 hours
15kg butane 105.6 hours
19kg butane 133.8 hours
47kg butane 331.0 hours
904 Camping gaz (1.81kg) 12.75 hours
907 Camping gaz (2.72kg) 19.0 hours

Technical Specifications

HS2000 Gas Electric
Heat Input: 2.0kW
Heat Output: 1.9kW 500w, 1kW, 2kW
Voltage: 12V or 24V versions 230 volts a.c. 50Hz
Current Consumption: 1.4A continuous running 9 Amps maximum current
Air Throughput: 60 C.F.M. 60 C.F.M.
Fuel: Butane or Propane Gas Mains Electric


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