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Vented Pre Tank

Providing pre heated mains pressure hot water to your existing un vented cylinder. Suitable if you have recently installed an un vented pressurised cylinder and do not want to disturb it. Providing your existing un vented cylinder with pre heated hot water means that your boiler has to do far less because it is not maintaining the temperature of your existing cylinder from cold.

All solaressence® un vented cylinders are stainless steel and come with a 25 year warranty. An additional benefit of installing a solaressence® cylinder is that each cylinder is custom-made for your home so can be manufactured to fit snugly into the correct space. These cylinders are also much more highly insulated so you lose less energy with the heat escaping – and you still have the benefit of immersion back-up.

Substantial savings on your hot water costs can be made because the energy you receive from the solar system into your existing cylinder displaces the energy your boiler would otherwise have had to produce. Plus you have the ability to upgrade at any time in the future to a dual system.

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UP – un vented pre tank systems

Providing pre heated mains pressure hot water to your existing un vented cylinder. Suitable if you have recently installed an un vented pressurised cylinder and do not want to disturb it. Providing your existing un vented cylinder with pre heated hot water means that your boiler has to do far less because it is not maintaining the temperature of your existing cylinder from cold.

All solaressence® un vented cylinders are stainless steel and come with a 25 year warranty. An additional benefit of installing a solaressence® cylinder is that each cylinder is custom-made for your home so can be manufactured to fit snugly into the correct space. These cylinders are also much more highly insulated so you lose less energy with the heat escaping – and you still have the benefit of immersion back-up.

Substantial savings on your hot water costs can be made because the energy you receive from the solar system into your existing cylinder displaces the energy your boiler would otherwise have had to produce. Plus you have the ability to upgrade at any time in the future to a dual system.

how it works
The solar collectors u begin to rise in temperature. The temperature differential controller SE3 v monitors the difference between the collector and your new pre heat { cylinder with highly accurate temperature sensors y . When the temperature of the collectors rises more then 6-8 degrees above that of the water cylinder the controller turns the solar pump w on. This creates circulation within the sealed solar circuit z which is made of pre-insulated stainless steel duo-flex pipe containing tyfocor (solar grade anti-freeze) heat transfer fluid. As you use the hot water in your existing cylinder | this is replaced by preheated hot water from your new solar cylinder {. Your boiler x should still be on similar settings as before & will still monitor the temperature in your cylinder, which according to your timing settings will boost your existing | cylinder temperature if required. The need for your boiler to boost the cylinder temperature will depend on the time of the year, the amount of solar availability, and your hot water needs. Sometimes it will need to boost, sometimes it will not. Again it must be remembered that if your boiler does need to boost the temperature, it is just that, a boost. The energy you receive from the solar system displaces the energy your boiler would otherwise have had to produce whether your boiler still has to fire up to boost or not.
This transfer of heat from the solar circuit to the cylinder has the effect of taking the heat out of the collectors u and their temperature drops again. When their temperature has dropped to only 2 degrees above the water cylinder the temperature differential controller SE3 v turns off your solar pump w. The whole process then simply starts again. So in essence the system transfers the heat from the collectors to your cylinder in many short bursts throughout the day.