Dual Hot Water Heater Systems

The upper thermostat takes first priority heating the water to a preset temperature before powering up the lower thermostat to heat the water to its final temperature.

Dual hot water heater systems.

Since combi boilers are also easy to install and simple to service they have become one of the most popular systems on the market today. You can combine gas oil electricity steam boiler water solar or waste heat from condensers heat pump loops condensate etc. A dual purpose system relies on only one water heater to supply both the hot water requirements for the home and the warm water needed for the radiant floor heat. All water lines should be copper until beyond the tempering valve.

Heaters are agency listed as dual energy heaters. Hot water heater do m e s t i c c o l d w a t er supply exhaust gas pump tempering valve domestic heating hot water space heating expansion tank figure 2. When you turn on a hot water faucet hot water flows out of the heater s tank through a supply line at the top of the tank. As with gas water heaters dual element electric water heaters feature a number of safety devices.

Combi boilers combine a boiler with a water heater in a highly efficient and space saving package. We strongly suggest that if you have one of these apollo hydroswirl dual purpose tanks in your house supplying both your domestic hot water and space heating look into getting it replaced soon. Hot water is stored in a cylinder. However several homeowners have purchased dual 40 gallon systems to increase the capacity of their hot water tanks as a single system is not enough to service an entire family.

This category although the hot water is always stored in a cylinder or tank can be further divided into three categories. Cold water is heated on demand. This element is wired to the mains electrical. Flexfuel water heaters combine two energy sources in a single tank.

A dual element water heater is a two thermostat system an upper and lower that heats water in its tank one element at a time. In this kind of application we would use the bradford white gx 1 55 high performance hot water heater to replace the actual hydroswirl hot water heater. Water will be drawn off of both water heaters so you will get about 80 gallons of hot water out of 2 50 gallon water heaters the would still be hot hopefully. If the water within the.

The tank draws in cold water through a second supply line also located at the top of the tank. Schematic of the dual domestic hot water and space heating system. Now scenario 2 i would do series but i would use the first tank as a warming tank in other words as the second water heater uses the hot water it will pull in the water that is pre.