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IAPMO IGC 346-2017
M00000384
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IAPMO IGC 346-2017 Test Method for Measuring Efficiency and Pressure Loss of Drain Water Heat Recovery Units
standard by International Association of Plumbing and Mechanical Officials, 07/10/2017
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IAPMO IGC 346-2017 specifies test methods for measuring the performance, including the heat recovery efficiency and pressure loss, of sloped and vertical drain water heat recovery units. It is intended to serve as a performance assessment for producers, distributors, architects, code officials, contractors, installers and end users.The test methods for application to vertical drain water heat recovery units in this standard are referenced to the existing methods specified in CSA B55.1.
Note: CSA B55.1 is limited to vertical only DWHR units.
The test methods for application to sloped drain water heat recovery units in this standard are referenced to the existing methods specified in CSA B55.1 except that the test specimen is installed in the test apparatus in a sloped orientation.