MBI In-Line Bathroom Fans

Description

MBI In-Line Bathroom Fans are designed for residential and light commercial bathroom ventilation applications. These powerful and quiet fans feature the low profile design that is ideally suited for tight spaces. Multiple source ducting options are the perfect solution for whole house ventilation in multi-unit housing complexes. MBI In-Line Bathroom fans are available in 4″, 5″ and 6″ duct diameters, with airflow capacities up to 290 cfm.

Features & Benefits of MBI Centrifugal In-Line Duct Fans

Steel housing with corrosion resistant finish
120V operation (also available in 220V; contact factory for details)
Removable fan cover for easy maintenance
Powerful, compact and quiet low profile fan
Easy to install – mounting brackets included
Multiple source ducting options
Fans may be used for supply or exhaust air
Ideal for long duct runs
Suitable for air temperatures from -13 F to 140 F
Energy efficient – speed controllable (optional solid state speed control)
Exceptionally quiet and efficient Backward-curved (BC) centrifugal fan impeller
Single-phase asynchronous external rotor motor
Permanently lubricated ball bearing motors for maintenance-free operation
Automatic reset thermal overload protection for additional safety
Fan and motor are precision balanced for quiet and vibration-free operation
External junction box contains pre-wired capacitor
Available in 4″, 5″ & 6″ duct diameters
Airflow capacity up to 290 cfm

MBI in-line bathroom fans can solve many air moving problems. They are designed to boost airflow through long or complex duct runs, and provide ideal solutions for areas that are hard to heat or cool.

Airflow Performance (cfm)

MODEL	WATTS	RPM	0" SP	0.125" SP	0.2" SP	0.25" SP	0.5" SP	0.75" SP	1.0" SP	1.25" SP	1.5" SP	1.75" SP
MBI100	105	3090	147	143	139	137	123	110	99	90	76	56
MBI125	113	2920	173	169	165	162	147	126	106	85	58	30
MBI150	110	2020	221	214	206	200	171	145	120	92	65	36
MBI125/100	117	2920	232	225	219	216	197	173	148	125	99	73
MBI150/125	110	2155	290	273	262	252	211	178	146	114	84	57

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Fan Dimensions

Select the Charts / Diagrams tab below

Categories: Bathroom Ventilation Fans, Bathroom Ventilation Fans, Residential.

Applications
MBI Centrigual In-Line Fans may be used to solve many air moving problems. They are capable of moving airflow through long or complex duct runs, and provide an ideal solution for areas that are hard to heat or cool. Typical uses include:
- Apartment / multi-unit housing ventilation
- Condominium ventilation
- Whole house ventilation
- Medium and large commercial facilities:
– Offices
– Restaurants
– Garages
Accessories / Options
A full range of accessories is available to suit each application.
- Backdraft damper
- Flexible insulated duct
- Mounting clamps
- Roof cap
- Wall cap
- Sound attenuator
- Speed control
- Digital timer
- Dehumidistat
- Pressure switch
- AeroGrille ventilation grilles
- Adjustable ventilation grilles
- Retro ventilation grilles
- Wall insert ventilation grilles
- View our full line of accessories, controls, and supply & exhaust grilles
Charts / Diagrams