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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).
OverviewThe ZD is a power close and spring open damper. It has a 24-volt motor used to control circulating air in heating, cooling and ventilating systems. It is used when a normally-open damper is required. The ZD is typically used with the TrueZONE systems and other electronic zoning systems. Features
(based on 13 reviews)
of respondents would recommend this to a friend.
Most Liked Positive Review
I have three of these ZD dampers
Purchased two from Pex to complete the replacement of the old Honeywell dampers on my 3 zone system (from 1978). The old dampers were leaky around the motors. These dampers have a nice...Read complete review
Purchased two from Pex to complete the replacement of the old Honeywell dampers on my 3 zone system (from 1978). The old dampers were leaky around the motors. These dampers have a nice tight seal and smooth, quiet operation.
Most Liked Negative Review
Actuator shaft arrived bent and it causes the damper motor to rock. I will eventually need to figure out a fix. I was in a jam with the heat and needed to use what...Read complete review
Actuator shaft arrived bent and it causes the damper motor to rock. I will eventually need to figure out a fix. I was in a jam with the heat and needed to use what was delivered.
Reviewed by 13 customers
Displaying reviews 1-10
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from Boston, Ma
Comments about 8 in. x 14 in. Rectangular Parallel Blade Damper:
Bottom Line Yes, I would recommend this to a friend
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from WAshington, DC
Comments about 10 in. x 12 in. Rectangular Parallel Blade Damper:
Works great, easy install, good quality!
Good quality product
By Furnace Man
from Columbus, Ohio
Comments about 8 in. x 16 in. Rectangular Parallel Blade Damper:
Great product.Great parts that are strong.
Comments about 20 in. x 14 in. Rectangular Parallel Blade Damper:
Install was easy. Worked great with the Honeywell HZ311 zone controller. Size was right on.
Honeywell zone Dampers
Comments about 26 in. x 14 in. Rectangular Parallel Blade Damper:
These oversize dampers were not available from local sources. Pex Supply had access and shipped within 24 hours of the order. I made a mistake on my first order and did not realize that the motor control is always mounted on the second dimension. (In this case, the motor is on the 14" side). Pex Supply had an RMA for return in my mail box before we finished our phone conversation. Great people to work with!
from PITTSBURGH PA
Comments about 8 in. x 18 in. Rectangular Parallel Blade Damper:
SEARCHED AROUND SAME PRODUCT EVERY WHERE ELSE WAY MORE EXPENSIVE
(0 of 1 customers found this review helpful)
i would buy this product again!
from omaha, ne
i purchased two of these dampers. i had the old style that kept giving me trouble. the newer style is made much better. the wiring was very simple. i did have to cut out about 1" of the heat run in order to get these to fit. they are a bit wider than my old models. Pexsupply had great prices and quick delivery. I will definitely buy from them again.
Would purchase it for my own home.
from Hutto, Texas
Comments about 16 in. x 16 in. Square Parallel Blade Damper:
Typical Honeywell quality, excellent construction.[...]Checked the shaft set screws and did find one motor loose but tightening it was simple.I found the best price through Pex Supply and I will shop Pex again.Thanks,Kenneth
6x16 Rectangular Damper
By Kevin, the electrician
from St Louis, Mo
Comments about 6 in. x 16 in. Rectangular Parallel Blade Damper:
The damper was exactly what was advertised, itfit perfectly into the existing space, and waseasily wired .I would highly reccommend this product to anyone wanting to save money and time.
By Bart the handyman
from North New Jersey
Comments about 12 in. x 16 in. Rectangular Parallel Blade Damper:
I was quoted $497 by my heating & cooling co as a replacement. If I didn't have a service contract it would have been $585. It cost [$] for me to replace it myself. It was easy to replace. Fit perfect [...]
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