Using 1 long sheet metal screws mount the casing to the duct by running screws through the provided holes in the casing.
Humidifier water line hook up.
I know in many states the use of a saddle valve is now against code.
A flexible copper water line runs between the valve and the humidifier.
This results in a trickle of hot water running through the unit and out the drain on the bottom whenever it s on.
Which can add up one estimate i ve seen is that a average flow through humidifier discharges between 5 000 and 8 000 gallons 668 and 1069 cubic feet of water annually assuming a 17 week heating system with a call for heat 50 of the time in the city where i live evanston il which charges 5 46 100 cu ft that translates to 36 and 58 a.
This was a surprise to me.
I noticed the water line for the humidifier taps a hot water and not a cold line.
Depending on where that line is in relation to your furnace you may need to add a new line to the humidifier.
All humidifiers require a connection to an existing cold water line.
That needs to stay removable.
They are an easy and unreliable way to connect a humidifier to a supply line.
This aprilaire unit requires 6 screws.
I needed to replace the crumbling humidifier pad on the aprilaire unit bolted to our new ng furnace.