Greenheck MASTERSpec Specification Grade Residential Ventilation product offering is your precision solution for ventilation code compliance and customer satisfaction. Solutions for Spot or Whole House Ventilation offer features like Constant CFM Pick-a-Flow, EC Motors and Plug-n-Play options for lighting, humidity, motion and CO2 sensing.

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GHK-386690 - Greenheck 386690 Motion Sensor Module for SP-AP0511W Greenheck Ventilation Fan More... Price: $45.00 (You Save $6.75) Your Price: $38.25 Qty:

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GHK-386691 - Greenheck 386691 Humidity Sensor Module for SP-AP0511W Greenheck Ventilation Fan More... Price: $60.00 (You Save $9.00) Your Price: $51.00 Qty:

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GHK-386692 - Greenheck AVM3 Night Light Module for SP-AP0511W Greenheck Ventilation Fan More... Price: $48.41 (You Save $7.27) Your Price: $41.14 Qty:

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GHK-386693 - Greenheck 386693 CO2 Sensor Module for SP-AP0511W series Greenheck Ventilation Fans More... Price: $85.00 (You Save $12.75) Your Price: $72.25 Qty:

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