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Retrotec DucTester 341 User Manual

Retrotec Measuring instruments

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QG341

Page 1 of 4

rev-2014-07-31

341/342 DucTester QuickGuide

DM32 gauge

Gauge case

Flange

DucTester

Flex duct

www.retrotec.com Support: (888)330-1345 International: +1(360)738-9835 Made in Everson, WA, USA

Grill Mask

System Case

Range

Plugs

Included

Range Plugs

Step 1:

Prepare ducts and house

Turn off air-handlers or adjust temperature so the

unit will not turn on.

Seal all supply and return grills/registers, including

any exterior air inlets, with Grill Mask, plugs, covers,

or tape.

Refer to your “Gauge Quick Guide” and become completely

familiar with its operation before performing a test.

Check boxes (

) for each step.

See: “Residential Duct Testing Manual” for additional

information. Download it from: www.retrotec.com

Step 1:

Prepare ducts and house (cont’d)

Remove all air filters

Open all interior doors

leading to rooms

containing a supply or return

register.

Open an exterior door or

window.