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Main product image of Model 21, 12" x 48" Hydronic Panel Radiator w/ Bracket
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Model 21, 12" x 48" Hydronic Panel Radiator w/ Bracket

Brand:
Buderus
SKU:
3-41248
Rating:
(37)
Q&A:
(17)
Model 21, 12" x 48" Hydronic Panel Radiator w/ Bracket
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$622.60 each
In Stock
In Stock
Get 2 Mon, Jun 15
Order by today, receive Monday
Free Shipping This item ships free
Easy Returns No restocking fee for 90 days

Product Highlights

Product Highlight: BTU Output
3675 Max BTUs
Product Highlight: Warranty
5 Year Material/Workmanship Warranty
Product Highlight: Height (Inches)
12" Height
Product Highlight: Depth (Inches)
2-1/2" Depth
Product Highlight: Length (Inches)
48" Length
Product Highlight: Color
White

Description

Please note these panels are for hydronic (water) systems and are not approved for steam.

The yellow shipping cap on the stem is for shipping purposes only and is to be discarded during install.
The sensor head (7738006264) can be purchased separately.


The bottom of this product has 20mm (approx. 3/4") metric male tappings that will need additional compression fittings to connect the piping to copper pipe or pex tubing.

Compression Fitting Options:

Specs

Depth (Inches):

2-1/2"

Height (Inches):

12"

Length (Inches):

48"

Color:

White

BTU Output:

3675

Warranty:

5 Year Material/Workmanship

Model:

21

Weight (lbs):

41 lbs

Type:

Radiator

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Product Reviews

4.51 out of 37 reviews
89% would recommend this product
4.51
out of 37 Reviews
89% would recommend this product
WRITE A REVIEW
5 star
73%
4 star
16%
3 star
5%
2 star
0%
1 star
5%
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Customer Images

Most Liked Positive Review

Great for replacement of bulky cast iron radiators!

This is the 3rd unit I've purchased for client use in gut renovations projects of two bathrooms and kitchen this season. This units emit adequate heat and are ideal for replacement of old heavy cast iron Radiators in the sense that they save a tremendous amount of space and are easy to mount on wall and integrate with your plumbing. Not to mention they're quite nice and stylish they have a really subtle sense of architectural design and in that sense it integrates very nicely with your renovations and other fixtures. Be sure to purchase the correct fittings for these radiators from supply house.com because you will have a hard time finding them elsewhere... And this is New York City where you could find anything, anywhere. Suggest save yourself the trouble and order any accompaning parts directly from them. Besides the prices are really good as we have been pleased with the cost of our radiator replacements for 3 individual clients so far.
VS

Most Liked Negative Review

Good but needs additional items

The radiator itself is okay but if you are looking to buy this you need to know to buy the diverter valve that goes on the supply and return piping into the bottom of this radiator, even if you have a 1 pipe system. Otherwise you will hear the water whooshing through the unit that won't stop unless you greatly restrict the flow. Also, the mounting brackets that come with it do not have good instructions but are capable of being installed if you have basic contractor knowledge. The brackets did not come with the "nub" part that prevents the unit from sliding left to right on its wall mount. Conveniently the piping stops this movement for the most part but this is still an insecure installation. If you can find all the correct parts (thermostat control valve, correct mounting brackets, diverter valve, pex connectors) this is a great product. Otherwise this will be a headache to get installed "correctly".
Showing 1-10 of 37 reviews

Great product

Just got this installed and it heats up so well. My kitchen is finally warm. Make sure you get ALL required pieces recommended on this site and the right pro to install it. Mines needed 2 feet of copper on each hole and then into Pex B.
Jay
Long Island NY
1 years ago
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European fittings

This is not meant for US plumbing. The instructions weren't even in English but Dutch. If you know how to convert everything, go for it. My contractor did not.
Jersey Girl
New Jersey
2 years ago
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nice product/customer was happy

Easy instaal
jod
western NY
3 years ago
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Not sure

First the radiator was damaged during transport so the contractor couldn't install it but I had to payed him anyway (uploaded pictures of the damage) You did not compensate for that Wait two more weeks for anew one and pay a contractor AGAIN the radiator came with no instructions had to call you again Nd you email a manual Then I had difficulty setting the thermostat and I called you for technical support you did not give any and gave me the number of a BOSCH I called them and they requested for me as a homeowner to have a Licence Professional in the line ( pay a contractor for the third time) so they will connect me to technical assistance and answer my questions so I am still with no support after buying a product of almost $600 It has been a hassle
Magda Leon-Rodriguez
Washington DC
3 years ago
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I have and will buy this product again.

This is the third Buderus radiator that we have installed, install is easy and product is great. They provide heat fast and the house temperature is regulated even.
Bill
Punxsutawney PA
3 years ago
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Don't forget to order fittings

Good product. Just remember to order the fittings
Mik
Maryland
4 years ago
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The best radiators out there

I have replaced all of my old radiators with these radiator panels and I couldn't be happier. They are easy to install, look great and take up minimal space. Prices seem to be going up so I am glad I did most of the house before they become even more expensive.
HandyManFig
Chicago, IL
4 years ago
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I would buy this product from Supply House again!

Shipping was fast! The products arrived the next day, and in good condition with no damage. The items were installed on the following day and have been working as expected with no issues.
Anthony
Brockton, Massachusetts
4 years ago
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Good but needs additional items

The radiator itself is okay but if you are looking to buy this you need to know to buy the diverter valve that goes on the supply and return piping into the bottom of this radiator, even if you have a 1 pipe system. Otherwise you will hear the water whooshing through the unit that won't stop unless you greatly restrict the flow. Also, the mounting brackets that come with it do not have good instructions but are capable of being installed if you have basic contractor knowledge. The brackets did not come with the "nub" part that prevents the unit from sliding left to right on its wall mount. Conveniently the piping stops this movement for the most part but this is still an insecure installation. If you can find all the correct parts (thermostat control valve, correct mounting brackets, diverter valve, pex connectors) this is a great product. Otherwise this will be a headache to get installed "correctly".
Contractor_Jim
Johnstown, PA
4 years ago
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Buderus radiators

Good quality. easy installation. Before you installation please read all information about this product. i connect old baseboards radiators with Buderus. work perfectly.
Sal
Warrenville illinois
4 years ago
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Product Q&A

17 Questions
17 Questions
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Q: How to connect to 3/4" copper tubing?

Asked by Thebovees 8 years ago

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Verified Author and ReplyVerified Reply-

This unit will connect to 1/2" copper radiator compression fittings located here: https://www.supplyhouse.com/Buderus-6198924-1-2-Copper-Radiator-Compression-Fitting-2-per-set ; so you would need to get fittings to reduce your 3/4" copper pipe to a 1/2" size.

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Q: I was wondering if you could use a outdoor wood furnace with water to run through the radiator. I have a the hot water in the stove already just was wondering if could use it with these.

Asked by tuffy 10 years ago

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Verified Author and ReplyVerified Reply- SupplyHouse Staff

A hot water boiler or any hydronic heating system for hot water should be fine to use to provide the hot water to this panel radiator.

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- Rob

Make sure that it is a closed pressurized system. These panel radiators are steel and cannot not be used in an open system.

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Q: What is the combined dimension of the bracket and panel from the wall?

Asked by Jerry 11 years ago

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Verified Author and ReplyVerified Reply- SupplyHouse Staff

Combined width is 3-3/8" for the model 21.

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Q: Will this work in a zone with slant fin baseboard hot water heaters using a single pipe system? will it work the same way using the wall mounted thermostat?

Asked by Stephen 11 years ago

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Verified Author and ReplyVerified Reply- SupplyHouse Staff

The Buderus panels can be installed in a one pipe system by installing an optional diverting valve, however keep in mind these panels require much lower water temperatures than standard baseboard. The panels have flowsetter valves that control the operation of the unit itself, but if a pump or zone valve is used a thermostat should also be able to be used for the application.

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Q: How hot will the surface of the radiator get? Wondering if it is safe to use in a bathroom where the wall for it is next to the toilet (About 8" away)

Asked by Tmac 11 years ago

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Verified Author and ReplyVerified Reply- Supplyhouse Staff

depends on how hot the water going to it is.

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Q: Are this radiators come with the wall brackets???

Asked by MASTER 12 years ago

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Verified Author and ReplyVerified Reply- Anonymous

this radiator comes with the wall brackets.

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Q: Hello, Can you supply panel about half the output and height?

Asked by Jimchris 14 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

The smallest is a 12" x 16". See SKU number 3-21216.

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Q: How do you bleed this rad? I know there is a dial on the end, but how do you bleed it?

Asked by J. King 14 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

The Buderus radiators come with a manual air vent.

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Q: How do I bleed the lines on my 2 pipe radiator. Dave

Asked by Dave 15 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

Normally you would manually open the air vent on the radiator to bleed the air out.

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Q: Can this unit be used with steam? I have ONE pipe coming into a bathroom, for which I have a slim radiator. Problem is, the contractor didn't measure right and now we are going over by 2 inches.

Asked by 15 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

This panel is only for use with hot water.

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