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Air filters are intended to: Protect HVAC equipment. Mitigate air-quality issues. The manufacturer will specify requirements necessary for normal equipment service life. Until there are actual air quality issues, there is no reason to upgrade filters. Monitoring air quality may be appropriate because some air-quality issues are better mitigated ...


From the Owner's manual. Hardwiring Requirements (24V and 230V Operation) For 24V models: Connect black and white wires to a dedicated 40Va transformer. (Not Provided.) Notice that it says "to a dedicated 40Va transformer". This means that you'll have to install a 40VA transformer to power the device, not use the transformer in the HVAC unit. ...

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