High Powered Blower Door System. All the features of a Model 5100 but double the power. This system will test a wide range of enclosures, from super leaky to super tight. This high output fan includes 6 standard + 3 optional low flow ranges to provide accurate results over the widest range of enclosure volumes. Retrotec 5100 Blower Door and 340 Duct Tester w/ DM32X Control Pack (Single DM32X comes with kit) Retrotec US5100 Blower Door System with Model 5000 Fan, Smart Cloth Panel, and Frame. Outsells all other makes & models! Test any residential house. Complete with a gauge, fan, 6 ranges, connectors, software and a 10-year warranty on the fan shell. Mechanical ventilation systems (bath and kitchen exhaust fans) are required to pass an air flow test. All permanent light fixtures must be high-efficacy lighting sources. Bathrooms, hallways, exterior and security lights are exempt. Blower door test has a new option making it easier for small houses to pass the blower door test. 2yyZC.
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  • blower door test equipment price