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Heat Recovery Efficiency (%)

41% (1)
42.1% (2)
46% (2)
52.1% (1)
57.2% (2)

Diameter (Inches)

3" (6)
4" (2)

Length (Inches)

32" (1)
33-1/2" (3)
42" (2)
62" (2)

Heat Recovery

10.7 kW (2)
7.9 kW (2)
8.3 kW (2)

Pressure Loss

1.4 PSI (2)
2.1 PSI (3)
2.5 PSI (2)

Features

2 PEX Fittings (5)

Price Range

$400 to $500 (3)
$600 to $700 (1)
$700 to $800 (4)

ThermoDrain Drain Water Heat Recovery

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More About ThermoDrain Drain Water Heat Recovery

ThermoDrain Drain Water Heat Recovery recovers heat from water that would otherwise be lost down the drain. It works best with simultaneous flows like showers, where there is a demand for hot water at the same time as hot water is going down the drain. The recovered heat can be used to preheat cold water going to the hot water tank or for other purposes permitted by codes and regulations.
A ThermoDrain unit consists of copper pipe tightly wound around a vertical section of copper drainpipe. As water flows down the drainpipe, it clings to the inside surface of the drainpipe. The heat from the drain water is transferred through the copper drainpipe to fresh cold water flowing in the outer copper coil.
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42.1% Efficiency, 3" x 33-1/2" x 3/4" Drain Water Heat Recovery & 2 Drain Couplings (No Fittings)
$437.07 each
Get it by Tue, Aug 13 - Wed, Sep 11
Get it by Tue, Aug 13 - Wed, Sep 11
Compare
42.1% Efficiency, 3" x 33-1/2" x 3/4" Drain Water Heat Recovery, 2 Drain Couplings & 2 Installed PEX Fittings
$437.07 each
Get it by Tue, Aug 6 - Tue, Aug 13
Get it by Tue, Aug 6 - Tue, Aug 13
Compare
57.2% Efficiency, 3" x 62" x 3/4" Drain Water Heat Recovery & 2 Drain Couplings (No Fittings)
$740.84 each
Get 3 by Wed, Jul 17
Get 3 by Wed, Jul 17
Compare
57.2% Efficiency, 3" x 62" x 3/4"  Drain Water Heat Recovery, 2 Drain Couplings & 2 Installed PEX Fittings
$740.84 each
Get 1 by Wed, Jul 17
Get 1 by Wed, Jul 17
Compare
46% Efficiency, 4" x 42" x 3/4" Drain Water Heat Recovery & 2 Drain Couplings (No Fittings)
$735.00 each
Get 1 by Wed, Jul 17
Get 1 by Wed, Jul 17
Compare
46% Efficiency, 4" x 42" x 3/4" Drain Water Heat Recovery, 2 Drain Couplings & 2 Installed PEX Fittings
$735.00 each
Get 1 by Wed, Jul 17
Get 1 by Wed, Jul 17
Compare
52.1% Efficiency, 3" x 50" x 3/4" Drain Water Heat Recovery, 2 Drain Couplings & 2 Installed PEX Fittings
$628.50 each
Get it by Tue, Aug 13 - Wed, Sep 11
Get it by Tue, Aug 13 - Wed, Sep 11
Compare
41% Efficiency, 3" x 32" x 3/4" Drain Water Heat Recovery, 2 Drain Couplings & 2 Installed PEX Fittings
$437.07 each
Get it by Tue, Aug 13 - Wed, Sep 11
Get it by Tue, Aug 13 - Wed, Sep 11
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8 items
Reset

SORT

Top Sellers
Default
Price ▲
Price ▼

Product Availability

Show In Stock Only (4)

Heat Recovery Efficiency (%)

41% (1)
42.1% (2)
46% (2)
52.1% (1)
57.2% (2)

Diameter (Inches)

3" (6)
4" (2)

Length (Inches)

32" (1)
33-1/2" (3)
42" (2)
62" (2)

Heat Recovery

10.7 kW (2)
7.9 kW (2)
8.3 kW (2)

Pressure Loss

1.4 PSI (2)
2.1 PSI (3)
2.5 PSI (2)

Features

2 PEX Fittings (5)

Price Range

$400 to $500 (3)
$600 to $700 (1)
$700 to $800 (4)
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