Dual Hot Water Heater Systems

As with gas water heaters dual element electric water heaters feature a number of safety devices.

Dual hot water heater systems.

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. 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. This category although the hot water is always stored in a cylinder or tank can be further divided into three categories. 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.

Schematic of the dual domestic hot water and space heating system. Combi boilers combine a boiler with a water heater in a highly efficient and space saving package. Flexfuel water heaters combine two energy sources in a single tank. 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.

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. Hot water is stored in a cylinder. 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. Heaters are agency listed as dual energy heaters.

All water lines should be copper until beyond the tempering valve. You can combine gas oil electricity steam boiler water solar or waste heat from condensers heat pump loops condensate etc. Flexfuel dual fuel water heaters supertank water heaters. An immersion heater is an electric element which screws into the hot water tank.

When buyers had concerns about their water intake or configuration the sunbank staff were eager to assist and advice on the best setup. The tank draws in cold water through a second supply line also located at the top of the 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. This element is wired to the mains electrical.

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. 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. Cold water is heated on demand.