Caravan gas water heater
A caravan gas water heater provides essential hot water to ensure your caravan or “home from home” has the warm water system to ensure you can shower, at the correct water temperature, and more importantly at the correct hot water flow rate.There’s nothing worse than a poor showering experience as you enjoy your stay in your caravan or holiday home. The other main purpose of caravan water heaters is to provide adequate hot water for dishes or washing up – an area which many of the low-quality water heaters struggle to achieve (more on this further down the page)
Firstly, we have to define what a caravan water heater is – the device, heats the domestic hot water up to temperature for such uses as showering, bathing or for the sinks, whether it be hand wash sinks or kitchen sinks – this is referred to as sanitary water or domestic hot water – DHW for short.
So, the water heater, has to cover the water hot demand for your caravan – Here are some figures and numbers that your water heater has to cover –
A standard showerhead flow rate is 7 or 8 Litres a minute – and the standard temperature is 40 Degrees C
Sink taps – 4 litres per minute capacity– standard type
Cloakroom or basin “spray type taps” – 2 litres per minute capacity- again at 40 C temperature
Bath mixer taps – modern bath taps have an approximate operating demand rate of 12 Litres per minute capacity- at 40 Degree C.
Kitchen sink taps – 4 to 6 litres per minute but at a heated temperature of 50 Degrees C
Because 50 Degrees C is the temperature required to effectively remove grease from cooking utensils, plates, cups etc.
Thus, it is very important that your caravan water heater can achieve this temperature, with a flow rate to fill the washing up sink in a reasonable time.
So the water heating range, power or capability of your caravan water heater needs to be suitable to the demands required of it.
Caravan water heaters
Caravan water heaters come in two main types, electric powered or gas powered
Electric heating element / Electric water heaters
These use electricity to heat the water directly – but come with lots of potential issues that you need to be aware of –
1. The struggle with the capacity to produce warm water instantaneously, as most caravans only have a 1 Phase / 240-Volt electricity power supply – with a maximum draw of 32 Amps – you cannot produce enough thermal energy with an electric caravan water heater to satisfy the large capacity hot water demands such as a shower adequately – You need 7 Litres a minute for a standard shower.
2. Another downside is that electricity energy prices are also the most expensive, especially when compared to gas or more specifically LPG (propane) that is the fuel of choice for static caravans.
3. There are electric powered water heaters for boats, or a motor home, that also include a hot air heater – but these only have a 5 Litre capacity, and take approximately 50 minutes to heat this volume of water from 15C to 60C – which is only enough water for a sink, and nowhere near enough for showering etc. This is a specialist market, and the truma therme / truma heaters compact heater is the unit you want for vehicle or boat installation.
Gas water heater for caravan
Gas caravan water heaters make up the largest part of the requirements for caravan water heaters, as they provide many benefits such as the capacity to provide many litres of heated hot water, as well as fast heating of the water system to an accurate water temperature. They are highly efficient, which saves you money and more importantly work correctly.
The most popular are –
lpg water heater for caravan
With LPG gas being the predominant gas used on caravan and holiday home parks, where static caravans or static holiday homes are located, this has resulted in LPG or Propane gas water heaters being the most popular water heater for this sector.
The LPG caravan water heaters that we offer are of the highest quality , and heat the water in the most efficient manner and work correctly, our most popluar unit is the SFK water heater, which is equipped with a cravan water heaters class leading 16mm diameter heat exchanger water ways, which ensures very low pressure drops, guarantees lower risk of clogging, greater thermal efficiency, and greater ease of cleaning. – which is especially important in areas with hard water.Just double check the following map of the UK and Northern Ireland.
LPG Gas (Liquefied Petroleum Gas)
LPG gas or Propane gas as its also known, is the perfect gas to use for caravan water heaters, as the gas is readily available and very common in the UK- other many benefits of the gas are; –
- LPG gas is easy to transport
- The gas is clean burning – the burners have a longer life; hence maintenance is lower.
- An effective and efficient gas with direct firing systems as the heat loss is minimal.
- LPG gas is easy to store, in cylinders or a bulk tank – No spillage risk as opposed to oil for example.
- Propane gas has a low boiling temperature of minus 42ºC, making it perfect fuel for use in lower temperatures and well suited to power a heating boiler or water heater for caravans.
They can be hidden away from sight like so
Caravan water heater gas fired
The most popular water heater we do for static caravans is our SF14 model, which has a 24kW output, and is available not only in LPG, but also natural gas if so required. This instantaneous domestic hot water heater produces hot water on demand.
The dimensional details are –
Hydraulic connections – at the bottom of the water heater
Aesthetically pleasing design
Advantages of our caravan water heaters
- Copper wet chamber heat exchanger that prevents thermal inertia
- Reduction of initial water over temperature with low flow rates
- 16mm diameter heat exchanger water ways
- Room sealed lpg water heater
- Electrical protection level is IPX4D
- Ease of access for maintenance / servicing
- Possibility of remote shutdown with our internet / Wi-Fi enabled controllers
Caravan Water Heater Performance
Simply said, the volume of hot water generated by any hot water heater is exactly proportional to the temperature rise of the hot water required. As an example, consider the following:
Showering temperature is 40 Degrees C –
Dish / Kitchen Water is 50 Degrees C – to ensure grease is removed from the utensils
Here is some data on the temperature of the mains cold water in the UK, at different times of the year
So, the required water temperature rise, is known as “Delta T “- this is abbreviated as this sign “ΔT” – And ultimately the lower the temperature rise, the more warm water the device will produce – In the summer when the incoming water is warmer – it will produce more litres, and in the winter, when the incoming water is lower, it will produce less – it’s a simple as that.
Here’s our performance data of our SF14 water heater, at various temperature rises.
Thus, to achieve 40C warm water in the summer, for the majority of the UK, you need a Delta T of 20C – thus our unit produce 15.82 Litres/min – enough to run a bath or 2 showering heads at the same time.
And more importantly, for people who inhabit a static caravan in the winter months – when the delta T is 30C – then you have 10.82 Litres/min – again more than enough to run a standard showering head (which is 7/8 Litres /min) – So we have you covered when you need warm water the most – in the winter!
Caravan Gas Fired Water Heater
We carry stock, and use a small pallet service to deliver anywhere in UK, Northern Ireland and Southern Ireland.
Should you require any more information or prices on the best caravan gas water heater / lpg water heater for caravan, then give our sales team a call on 01202 822221.A full VAT invoice is supplied for all items supplied.