Runtal TW21-16
Runtal TW21-16
Runtal TW21-16
Runtal TW21-16
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Runtal TW21-16
Runtal TW21-16
Runtal TW21-16

Runtal Omnipanel - 3,520 BTU - Hydronic Towel Warmer - 61.1" H - 16" W - 3.8" D



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Runtal Omnipanel - 3,520 BTU - Hydronic Towel Warmer - 61.1
Runtal Omnipanel - 3,520 BTU - Hydronic Towel Warmer - 61.1" H - 16" W - 3.8" D
Model: TW21-16
Product Q&A
How-To Articles

Recommended Accessories

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Expert Recommended Accessories Selected by Bob, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10


    Runtal innovated flat panel radiators, like the Omnipanel towel warmer, more than fifty years ago. Since then, flat panels have become the favored style, renowned for their expanded surface area which improves the heat output. The increased surface area is especially effective in towel warming applications, as even heating is the most effective way to prevent mold and mildew. The TW21-16 is also capable of providing 3,520 BTU of heating to the room where it is installed, giving you flexibility in how you keep your home comfortable.
  • Easy to Install, Easy to Control
  • Hydronic Omnipanel towel warmers feature both rear and bottom options for piping. This gives you flexibility when selecting an installation location for your TW21-16.
  • Application Versatility
  • Towel warmers aren't just for your bathroom, they make a great addition to kitchens, mud rooms, entryways, and laundry rooms. If you're pressed for space, a towel warmer is an excellent way to supplement heating and provide drying capabilities for a room.
  • Hydronic Convenience
  • Hydronic towel warmers typically have a higher output and reach their desired temperature more quickly than comparably sized electric models and scaling their output is as easy as changing the supply water temperature.
  • Attractive and Durable
  • Runtal prides itself on producing stylish, dependable radiators and the Omnipanel is no exception. Its clean, neutral design looks at home on any wall and with 10 color finishes available, it's easy to match your decor.
  • Exceptional Efficiency
  • Energy waste is a drain on your wallet that can be avoided with Runtal. Between the flat tube heat exchanger and the welded-steel construction, Runtal developed a radiator design that transfers the most possible heat into your space.
  • Product Includes
  • (1) Runtal TW21-16 Hydronic Towel Warmer
  • (1) Mounting Hardware Package
  • (1) Air Vent
  • Product Note
    Displayed lead time is for 9010R Runtal White. Orders with other colors are built to order and take four to six weeks to ship out. Built to order products are not eligible for returns, refunds, or cancellations. Please contact us with any questions prior to placing your order.


specs product image PID-69270
General Information
Towel Warmer
Product Line
Medium Learn More
Hot Water
Connection Type
Piping Configuration
Bottom or Rear (AZ)
Additional Model Numbers

TW21-16-9010R, TW21-16

Heating BTU
Heating Capacity
3520 BTU
Supply Connection
1/2 Inch
Return Connection
1/2 Inch
Product Height
61 5/48 Inches
Product Width
16 Inches
Product Depth
3 19/24 Inches
Product Weight
31 Pounds
Country of Origin
United States
Warranty Information
Warranty Learn More
5 Years


Runtal TW21-16 Reviews & Ratings

Product Q&A

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Product Questions Answered by Bob, the Heating Product Expert
Does this have a valve on top so that it can be bled like my other radiators? My plumber tells me that it will not work with my 80 year old system otherwise.
Michael Y 
from Pennsylvania 
February 15, 2016
Will this work with a baseboard or radiator system?
from Connecticut 
February 09, 2016
Is this available in additional colors?
from Colorado 
November 22, 2015

How-To Articles

How to Pick the Perfect Hot Water Towel Warmer
How to Pick the Perfect Hot Water Towel Warmer
Hydronic towel warmers are a great way to take advantage of your existing hot w...
An Intro to Towel Warmers
An Intro to Towel Warmers
In the quest to transform a boring bathroom from a room of utility into a luxur...
How to Pick the Perfect Electric Towel Warmer
How to Pick the Perfect Electric Towel Warmer
No one enjoys getting out of the shower on a cold winter’s morning. You s...
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Runtal Omnipanel - 3,520 BTU - Hydronic Towel Warmer - 61.1" H - 16" W - 3.8" D
Runtal TW21-16
Runtal TW21-16
Runtal TW21-16
Runtal TW21-16
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