Minneapolis Duct Blaster Ring 4 low-flow ring
Duct Blaster Ring 4

Minneapolis Duct Blaster® Ring 4 (Low-Flow Ring)

Measure the Tightest Duct Systems with the Duct Blaster® Ring 4 Rings 1, 2 and 3 come standard with the Minneapolis Duct Blaster® fan. When...
$ 160.00
$ 160.00

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Measure the Tightest Duct Systems with the Duct Blaster® Ring 4

Rings 1, 2 and 3 come standard with the Minneapolis Duct Blaster® fan. When a duct system is too tight to get a good reading on Ring 3, Ring 4 picks up where it leaves off. It's the optional low-flow ring from The Energy Conservatory, built for high-performance homes, small multifamily units and anywhere leakage numbers run very low.

Key Features:

  • Low-Flow Range: Measures 25 – 2.4 CFM with a minimum fan pressure of 5 Pascals.

  • Works With Your Software: Flow rates display in TEC software and app programs, or can be read manually from the Ring 4 flow table (Ring 4 Quick Guide or Appendix F of the Minneapolis Duct Blaster® User Guide).

  • OEM Part: Genuine TEC flow ring for Series B Duct Blaster® fans.

Specifications:

  • Part Number: TEC RING4

  • Fits: Minneapolis Duct Blaster® fan (Series B)

  • Weight: 0.6 lbs

Note: Ring 4 attaches to the fan housing with a 40" piece of Duct Blaster® fan trim (TEC DBTRIM), sold separately.