I used this to connect my range hood fan to the make up air damper and the HVAC fan. Whenever my range hood (professional) fan is put on, it drives the HVAC fan and activates the fresh air damper. The current sensor is very accurate & clip on features ensures that no modification is done to the range hood electronic controls which could have otherwise nullified the 4 year warranty. Excellent and perfect product and very simple to install.
Bava
Everett,WA
1 years ago
Verified Buyer
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I buy a lot of these. They just work.
Great bang for the buck.
Controls Guy
NYC
2 years ago
Verified Buyer
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