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Location: 185 Price Parkway, Farmingdale, NY 11735
Hours: 8:00AM - 7:00PM, Mon - Fri.Limited Counter Hours: Mon. 1/26 at 8:00am-3:00pm, Tue. 1/27 CLOSED.
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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.
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Do not use this item for any installation or repair of potable water applications.
This product does not comply with the "Safe Drinking Water Act,"
which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking).
This item is for non-potable (non-human consumption) water applications only.
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Stages describes the number of heat or cool sources that you need to control with a single thermostat.
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).
Amperage, or amps, refers to the amount of electricity flowing through the wires.
Wattage, or watts, is the amount of electrical power that an appliance uses or generates.
Honeywell Digital Round Thermostat with manual changeover and R,Rc,O,B,G,Y,W terminals provides single-stage temperature control for 24V gas or oil Heat Only systems. The Honeywell T8775A1009 includes a thermostat, wallplate (for wiring and mounting thermostat), mounting screws, wall anchors, and a 4074 FAB resistor.
(based on 50 reviews)
of respondents would recommend this to a friend.
Most Liked Positive Review
Purchased Five Thermostats
Controls 5 zones for "Radiant Floor" heating system. User friendly, very accurate, works great.Note: We made the mistake by tossing out the resisters, remember to...Read complete review
Controls 5 zones for "Radiant Floor" heating system. User friendly, very accurate, works great.Note: We made the mistake by tossing out the resisters, remember to install all resisters. We now have to re-order them, having problems when all zones call for heat, there's too much power to all thermostats at once...they fail and malfunction. We've learned the hard way. But a good product, our mistake. :) Like the illuminated dial...highly recommend!
Most Liked Negative Review
Easy to Use - Inaccurate [*]
Very easy to use thermostat, especially for older people. [*] accuracy off by about four degrees. [*] I wouldn't install this anywhere where a freeze-up would be a concern. You can...Read complete review
Very easy to use thermostat, especially for older people. [*] accuracy off by about four degrees. [*] I wouldn't install this anywhere where a freeze-up would be a concern. You can install this with your eyes closed, and the "power-stealing" design doesn't require batteries. If yours in an application where the power to the thermostat is interrupted, by a high limit control, for example, the display will go dark at those times. The memory, however isn't lost and the black out has no affect on its operation. To avoid this you can install a relay. A resistor is also provided with the thermostat that may correct this situation in some applications. The stat also goes dark if its controlled device is shunted, as in a system with an indirect heater where a limit switch may bypass the thermostat. Not a bad buy for the money, but just underatnd that what you are buying isn't traditional Honeywell quality. Quite the opposite.
Reviewed by 50 customers
Displaying reviews 1-10
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Great for old steam system
By Mark S
from Nutley, NJ
Comments about Round Non-Programmable, Heat Only, Digital Thermostat:
If you have a steam heating system, this thermostat is simple and effective.
Bottom Line Yes, I would recommend this to a friend
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Quick delivery and great customer servic
from Maple Grove, MN
I originally purchased the incorrect thermostat. Customer service was great to work with and exchanged without question. In highly recommend.
easy to install looks and works good
By warrens AC
replaced an old thermostat with the digital one with a new boiler I installed the customer is very happy
Great product, supplyhouse is great
from Greenville NH
very easy to use and dead on temp
So far so good
from Cadillac, Michigan
Works better than the old manual mercury model; maintains proper temperature. I like that it is a heat only digital thermostat.
Great product would buy more of them.
By Uncle John
from North Branford, Ct.
Very easy installation. Replaced 2 of the old mercury Thermostats with these. Went on and worked great.
Precision digital replacement thermostat
By Wife's Tech Support
from Lexington, KY
I use these "heat only" thermostats to control garages, warehouses, aircraft hangars, and out buildings where I want to use a minimum of heat to protect from freezing. With the digital settings down to 40F, this works perfectly. When buildings are occupied, easy to temporarily spin the temp up to 55, 60, or whatever is needed. Good product, easy to install, never had one fail. Affordable.
(0 of 1 customers found this review helpful)
Perfect mercury replacement.
from Anchorage, AK
Just replaced all zone thermostats in my radiant heated home from the old round mercury units to these. They are simple, on and off, heat only, perfect for radiant floor heating. They install quickly, have no batteries to change, are easy to operate and importantly match the old round mercury footprint perfectly. No need to come behind and repaint. Backlighting comes one when unit is adjusted, which is super helpful at night.
Easy to read
from Milwaukee, WI
Easy to read the large number room temperature displayEasy to set the desired room temperature
By home owner
very easy to install I like the lighted dial,easy to see when dark. I have two more to replace,but I'll see how this one works out first.
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