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Honeywell H8908DSPST Low Voltage Dehumidistat image
 
(based on 3 ratings)
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Brand: Honeywell
Located in: Thermostats & Controls, Thermostats, Humidistats/Dehumidistats, Dehumidistats
The H8908DSPST Humidity Controller is used with portable and central unit dehumidifiers that accept 24 Volt Controls, or for mildew control with air conditioning systems. The H8908DSPST has a spst, snap-acting, dust-proof switch and are designed for wall or surface duct mounting. Color White. Can be mounted horizontally or vertically. FEATURES: SPST, snap-acting, dust-proof switch. Positive ON and OFF settings. Twelve-inch ribbon of thin, moisture-sensitive nylon ribbon wound around three bobbins effectively gives optimum control for reliable operation under changing ambient conditions. Mounts in duct or on wall surface. SPECIFICATIONS: Description - Dehumidistat Application - Dehumidification Type - Humidity Control Voltage - 24 Vac Electrical Ratings (120 Vac, Full Load) - 50 VA at 24 Vac Color - Premier White® Mounting - Duct mount Mounting - Wall mount Differential - 4% to 6% RH Temperature Range (F) -20 F to +120 F Temperature Range (C) -29 C to +49 C Operating Humidity Range (% RH) 10 to 60% RH Dimensions (in.) 19 in. H x 11 1/4 in. W x 9 in. D
More information for the Honeywell H8908DSPST Low Voltage Dehumidistat
Review Snapshot®
Avg. Customer Rating:
 
4 stars
(based on 3 reviews)
100% of respondents would recommend this to a friend.

Customers most agreed on the following attributes:

Describe Yourself:
Homeowner(3)

[2 of 2 customers found this review helpful]

 
Good product/Install Simple
By The engineerVerified Purchaser from Florida on 4/27/2010
Pros:
Easy To Adjust, Intuitive Controls
Cons:
Wiring diagram incorrect
Best Uses:
Homes
Describe Yourself:
Homeowner
Bottom Line:

Comments about Honeywell Honeywell H8908DSPST Low Voltage Dehumidistat:

Easy to install if the correct wiring diagram was provided. Had to contact Honeywell and speak with a knowledgeable technician who indicated the wiring diagram in the instructions was incorrect if hooked-up to an existing thermostat to control humidity using a central AC unit. One wire from the dehumidistat has to be attached to the yellow position on the thermostat and the other to the RC terminal. Make sure the thermostat is in the cool position before turning on the dehumidistat.

[1 of 1 customers found this review helpful]

 
[...]
By arletteVerified Purchaser from wtby,ct on 9/2/2009
Pros:
Easy To Adjust, Easy To Install, Precise Controls
Best Uses:
Large Rooms
Describe Yourself:
Homeowner
Bottom Line:

Comments about Honeywell Honeywell H8908DSPST Low Voltage Dehumidistat:

[...]

[2 of 3 customers found this review helpful]

 
A dehumidstat can save you money.
By Jdar1Verified Purchaser from Sarasota, FL. in a humid forest ! on 7/3/2009
Pros:
Easy To Install, Intuitive Controls
Best Uses:
Homes, Small Rooms
Describe Yourself:
Handyman, Homeowner
Bottom Line:

Comments about Honeywell Honeywell H8908DSPST Low Voltage Dehumidistat:

I ordered this dehumidstat to save $$$ while I am away from central Florida during our very humid summer rainy season. It is easy to install because it's just a switch installed in the line that sends current to the outdoor A/C condenser. But the setting of the control knob is very specific. I set mine at 60%(actual as measured by an external meter) which reads about 68% on the Honeywell control. Be sure to set your thermostat to 79 degrees (no higher) or the system will run too long--costing you money.

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