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🔥 Secure your space with precision and safety — don’t let your venting fall behind! 🔧
The SELKIRK CORP 187703 3-Inch Wall Thimble is an adjustable, UL-441 certified venting solution designed to fit wall thicknesses from 4-1/8" to 7". It ensures a critical 1-inch air space from combustibles, making it ideal for safe installation of Type B and B-W gas vents in both single and multi-story buildings. Crafted from durable aluminum alloy with a sleek silver finish, it offers a lightweight, easy-to-install option for professional-grade HVAC and heating vent applications.
| ASIN | B002YFQSSW |
| Additional Features | Adjustable Collar |
| Air Conditioner Application | Residential |
| Annual Energy Consumption | 1000 Watts |
| Best Sellers Rank | #313,782 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #838 in HVAC Ducting |
| Brand | Selkirk Sport |
| Brand Name | Selkirk Sport |
| Capacity | 3 cubic inches |
| Color | Silver |
| Compressor Type | rotary_scroll |
| Control Method | Remote |
| Controller Type | Remote Control |
| Core Material | Aluminium Alloy |
| Customer Reviews | 4.1 out of 5 stars 206 Reviews |
| Efficiency | Yes |
| Form Factor | Wall Thimble |
| Global Trade Identification Number | 00053713130373 |
| Included Components | SELKIRK CORP 187703 3-Inch Wall Thimble |
| Installation Type | Split System |
| Inverter Type | No Inverter |
| Is Electric | Yes |
| Is Outdoor Unit Required | No |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 8"D x 12"W x 14"H |
| Item Type Name | SELKIRK CORP 187703 3-Inch Wall Thimble |
| Item Weight | 0.7 Pounds |
| Manufacturer | SELKIRK CORP |
| Model Name | SELKIRK CORP 187703 3-Inch Wall Thimble |
| Model Number | 187703 |
| Noise | 14.4 Decibels |
| Operating Mode | Heating |
| Power Source | Corded Electric |
| Product Dimensions | 8"D x 12"W x 14"H |
| Series Number | 187703 |
| Special Feature | Adjustable Collar |
| Start Year | 2000 |
| Start year | 2000 |
| UPC | 053713130373 |
| Unit Count | 1.0 Count |
| Warranty Description | Warranty |
| Warranty Type | Manufacturer’s Warranty |
| Window Opening Maximum Height | 14 Inches |
| Window Opening Maximum Width | 3 Inches |
| Window Opening Minimum Height | 3 Inches |
| Window Opening Minimum Width | 3 Inches |
J**N
It works for keeping pipe away from combustionable materials.
I used these for a ceiling sleeve for B vent piping. Good quality, no issues.
T**N
Quality thimble
I used this to route my diesel heater ducting through a shed wall. I built a small shed to house the heater outside to keep it out of the weather and just the duct work (heated air and the return air) to the building I needed to heat. It wasn’t the perfect size for the duct but I made a sheet metal adapter to make it a clean fit and install.
A**R
does not fit 3 inch
should have read the comments because this will not fit 3 inch stove pipe. its about a ~3.5 inch opening. im guessing this is for double walled 3 inch stove pipe. listing clearly says 3 inch. i too am passed the return period so... enjoy my donation, wont happen again.
J**S
Just as described
Just what we needed to install our pellet stove for the house easy to install if you have the right tools
L**N
Buy the product it's great.
Works as intended for. Would buy again.
P**N
As described, works well.
We had an issue with the thimble. Customer service handled it. Good company. We will buy from them again.
A**W
great product at a great price
It is a perfect fit and is sturdy enough for my application. I used it to run a small wood stove (guide gear) chimney flu through the wall of a cabin/shed. It is working good.
T**.
Good buy for the money
Good buy for the money. I had a little trouble fitting it through the wall but with a 2nd person we got it done.
C**R
Perfect fit.
Moved heater and arrived quickly.
H**1
Perfect
Perfect fit for my 3” B-vent chimney using 3”pelletvent.
P**.
Can't return.
Didn't fit to big 😕 not for 3 inch.
N**L
Used to vent generator exhaust extension through shed
Used to vent generator exhaust extension through shed.
A**R
For information, if you plan to buy the Selkirk ...
For information, if you plan to buy the Selkirk wall thimble, it is not compatible with standard single wall ducts, because the size of the hole is larger in order to accomodate double wall ducting.
Trustpilot
1 day ago
4 days ago