Domestic Hot Water Recirculation System Diagram. Ideally hot water should arrive at the fixture between zero and ten seconds from the time a faucet or fixture valve is opened. 619 665 2077 product list pricing guide. Calculate the gpm required using a 10 f δt or other value as determined by the engineer.
The hot link system can save an average family up to 12 000 gallons of water per year and it s easy to retrofit to an existing. Concept of a recirculating dhw system figure 1 2 shows a simple trunk and branch plumbing.
The taco hot link system hls 1 for domestic hot water recirculation reduces the time it takes for hot water comfort to reach showers and faucets.
There are a couple of manufacturers that offer fittings and designs to allow the hot water to circulate right up to the fixture and some manufacturers allow. Ideally hot water should arrive at the fixture between zero and ten seconds from the time a faucet or fixture valve is opened. Such systems are called recirculating domestic hot water systems. Part 1 find the pump gpm determine the heat loss of the total supply pipe using tables or rules of thumb.
