Domestic Hot Water

Hot water is an essential part of residences and many commercial and industrial premises. Valutech has been supplying heat exchangers for hot water systems for over 20 years.

Domestic hot water solutions provide an economical, dependably and sanitary supply of water. Tap water can systems can be instantaneous providing “endless” access to hot water, or semi-instantaneous which provide domestic hot water and hot water storage.

Indirect domestic water heating (DHW) has seen a rise in use over the years due in part to residential systems having adopted Hydronic Heating from boilers and renewable energy sources. In North America, indirect domestic hot water heating is often implemented in condominiums and apartment complexes, as well as more commercial and institutional premises.

Domestic Hot Water Systems

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    Domestic Hot Water Performance

    Valutech is proud to supply Alfa Laval’s world-class heat exchangers for domestic hot water systems. Alfa Laval’s exchangers have been used around the world, from hotels to offices, and apartment blocks to hospitals. We can also provide hot water systems for high-volume tap water for large facilities and water supplies free from Legionella.

    The table below lists some common models of brazed plate exchangers used in DHW systems and their specifications. To find an optimal and high-efficiency solution for your domestic hot water system, contact a Valutech specialist today and we’d be happy to assist you!

    Brazed Plate Heat Exchangers for Radiant Floor Heating | Valutech Inc

    Domestic Hot Water: Sizing Chart

    Model Load
    (Btu/hr)    		 Boiler Water
    Inlet Temp °F    		 Boiler Water
    Outlet Temp °F    		 Boiler Water
    Flow (GPM)    		 Boiler Water
    ΔP (ft H2O)    		 Boiler Water
    ΔP (PSI)    		 Domestic Water
    Inlet Temp °F    		 Domestic Water
    Outlet Temp °F    		 Domestic
    Flow (GPM)    		 Domestic
    ΔP (ft H2O)    		 Domestic
    ΔP (PSI)
    CBH16-17H 50,000 160 130 3.4 2.2 0.9384 110 140 3.4 1.7 0.7551
    CBH16-25H 75,000 160 130 5.1 2.2 0.9727 110 140 5.1 2.0 0.8624
    CB30-18H 100,000
    125,000    		 160 130 6.8
    8.5    		 5.1
    7.8    		 2.202
    3.364
    		 110 140 6.7
    8.4    		 4.2
    6.4    		 1.804
    2.758
    CB30-24H 150,000
    175,000    		 160 130 10.3
    12.0    		 6.0
    8.1    		 2.616
    3.507
    		 110 140 10.1
    11.8    		 5.3
    7.1    		 2.298
    3.083
    CB30-34H 200,000
    225,000    		 160 130 13.7
    15.4    		 5.2
    6.5    		 2.256
    2.822    		 110 140 13.5
    15.2    		 4.9
    6.2    		 2.133
    2.670
    CB30-44H 250,000
    275,000    		 160 130 17.1
    18.8    		 4.9
    5.8    		 2.104
    2.522
    		 110 140 16.9
    18.6    		 4.9
    5.8    		 2.103
    2.524
    CB30-50H 300,000 160 130 20.5 5.4 2.348 110 140 20.2 5.6 2.421
    CB30-60H 350,000 160 130 23.9 5.2 2.269 110 140 23.6 5.7 2.456
    CB30-70H 400,000
    450,000    		 160 130 27.3
    30.8    		 5.2
    6.5    		 2.245
    2.813
    		 110 140 27.0
    30.4    		 5.9
    7.4    		 2.546
    3.195
    CB30-100H 500,000 160 130 34.2 4.6 1.977 110 140 33.7 5.9 2.541
    CB110-32H 600,000 160 130 41.0 9.3 4.005 110 140 40.5 8.4 3.635
    CB110-38H 700,000 160 130 47.9 9.2 3.981 110 140 47.2 8.5 3.672
    CB110-46H 800,000 160 130 54.7 8.5 3.684 110 140 54.0 8.0 3.452
    CB110-54H 900,000
    1,000,000    		 160 130 61.5
    68.4    		 7.6
    9.9    		 3.289
    4.281
    		 110 140 60.7
    67.5    		 7.2
    9.4    		 3.126
    4.059
    CB110-64H 1,250,000 160 130 85.5 10.3 4.451 110 140 84.4 9.9 4.281
    CB110-76H 1,500,000 160 130 102.5 11.2 4.852 110 140 101.2 10.9 4.708
    CB110-90H 1,750,000 160 130 119.6 11.4 4.933 110 140 118.1 11.5 4.976
    CB110-110H 2,000,000 160 130 136.7 11.3 4.891 110 140 135.0 11.4 4.933