Domestic Hot Water Heat Exchanger Piping Diagram

Based on the maximum load conditions just described consideration might be given to a 310 horsepower firetube boiler 1 boiler horsepower 33 472 btu hr.

Domestic hot water heat exchanger piping diagram. This is why the best system designs include a heat exchanger to transfer heat from the domestic hot water to the space heating water without the two kinds of water mixing. Both pipes have a return bend at one end. Find a pool warranty station. The pressure relief valve on this hot water heater is located three quarters of the way up the tank.

H c p v q 2 q 1 t 1 where. Domestic hot water heaters. Furnish an h2omax hot water heat exchanger manufactured in the u s a model h26 h48 h72 h119 designed for instantaneous and continuous heating of cold water traveling through multiple coiled copper tube bundles. A guide to the different ways of heating domestic hot water so you can identify problems and faults with the hot water tank or central heating system and carry out any maintenance needed.

Hot water from the on demand heater also supplies mixing valve 2 upper valve so the household s domestic hot water can be cooler or hotter in some cases than the floor water. Figure 5 illustrates the spiral exchanger configuration. A hot water accumulator tank volume will reduce required maximum heat supply. The top 3 4 inch pipe of the heat exchanger is plumbed into the hot water outlet on top of the water heater.

Domestic water supplies usually run at 40 psi to 65 psi and that s higher than ideal for hydronic heating and circ pumps. This is the way the directions said to install this particular heat exchanger. H heat power supply kw v accumulator volume stored liter c p specific heat water 4 19 kj kg o c. Some models suggest plumbing into the pressure relief valve.

Pool spa faq. The double pipe exchanger is used when one liquid has a greater resistance to heat flow than another r when the surface area is small. Find a commercial sales rep. Btu hr are the peak winter heating load and 1 000 000 btu hr are domestic hot water load which are provided through means of a heat exchanger.

Find a pool spa heater installer. This plumbing configuration gives the homeowner total control over the heat output for both space heating and domestic hot water. Find a pool heater sales rep. D double pipe exchanger.

The heat supply to a system with an accumulator can be calculated as.