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This product does not comply with the "Safe Drinking Water Act,"
which requires that products used in any system providing water for human
consumption (drinking or cooking) to meet low-lead standards.
Please check the box below to confirm you are aware of that this item is for non-potable water applications only.
This product will NOT be used in the installation or repair of a potable water (human consumption) application.
You must agree to this statement in order to purchase this product.
This product was discontinued because the part number was changed by the manufacturer. The replacement product has modifications.
Zones are the number of areas that you want to control independently of each other. If two rooms can be controlled together, they can be one zone; if they need to be controlled separately, they should be separate zones.
Voltage, or volts, is a measurement of the difference between two electric fields (in heating terms, the difference between the Earth's electrical field and the electricity running through your wires).
The Taco Hydro Air Fan Control is the ideal interface between the thermostat and air handler that will increase year-round comfort and operating efficiency in your systems. The Hydro Air Fan Control also includes an isolated end switch to start the boiler or pump. When the thermostat calls for heat, the Fan Control energizes the end switch relay and allows the fan to operate at low speed when the water is above the aquastat setting. When the thermostat calls for cooling, the Fan Control energizes the condenser and operates on high speed. In addition to standard features, the HAFC201 Model also includes three built-in fan time delay options, two selectable pump exercise modes, a secondary aquastat connector for freeze protection and the ability to switch a pump and/or boiler. Features include:
(based on 3 reviews)
Reviewed by 3 customers
Displaying reviews 1-3
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Interface: T-stat, AHU, & Boiler
Comments about Hydro Air Fan Control w/ Time Delays:
I was fed up with the control to my Hydro-air Fan coils. Their original control was through an aquastat. I was constantly trying to "dial-in" the aquastat settings in order to control the Fan upon a call for heat. I would always get false calls and often cold air blowing at the end of each cycle. I tried insulating the HW lines and it made it worse. Now, I get heat when it's called for and turns off when it needs to be off! Also, I have a AHU in the attic for 2nd floor Heat/AC. Freeze protection is a nice feature.
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Does the job!
from Long Island NY
This item is perfect to go in between the thermostat airhandler and combi boiler. This item resolved the cold air problem between the boiler valve cutoff and airhandler over run. Works great for the price easy to install.
Bottom Line Yes, I would recommend this to a friend
from Pittsburgh, PA
This controller rocks! I used it to control my old gas fired furnace that I converted over to hydronic forced air. I was able to keep my high efficiency filter and all my existing duct. I like the circulation feature during the cooling season so I don't have to worry about stagnant water. The only drawback is that this unit requires a separate relay control board to operate the furnace fan. I think they could have incorporated the relays in this unit and made it a one-stop shop.
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