Hot Water Radiators

81 products

Transform your home’s heating with hot water radiators that provide consistent warmth through a boiler-powered system. Using gas, oil, or wood, the boiler heats water that circulates through pipes to deliver reliable, energy-efficient heat to your living spaces.

Take advantage of modern features like room-by-room temperature control, automatically adjusting to your habits for optimal comfort and efficiency. Explore our collection today and find the perfect hot water radiator for your residential heating needs.

Showing 1 - 24 of 81 products

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 7" Length - 4 Sections, 4 Tubes, Water/Steam

MR419X4

$81.88

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 14" Length - 8 Sections, 4 Tubes, Water/Steam

MR419X8

$161.57

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 17-1/2" Length - 10 Sections, 4 Tubes, Water/Steam

MR419X10

$213.43

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 21" Length - 12 Sections, 4 Tubes, Water/Steam

MR419X12

$241.20

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 10-1/2" Length - 6 Sections, 4 Tubes, Water/Steam

MR419X6

$121.73

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 10.5" Length - 6 Sections, 4 Tubes, Water/Steam

MR425X6

$182.09

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 7" Length - 4 Sections, 4 Tubes, Water/Steam

MR425X4

$122.13

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 24-1/2" Length - 14 Sections, 4 Tubes, Water/Steam

MR419X14

$281.02

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 17 1/2" Length - 10 Sections, 4 Tubes, Water/Steam

MR425X10

$302.06

Cast Iron Radiator, Size: 4-7/16" x 19" - 18 sections Water/Steam Output - Oswald Supply

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 31-1/2" Length - 18 sections Water/Steam Output

MR419X18

$360.71

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 35" Length - 20 Sections, 4 Tubes, Water/Steam

MR419X20

$400.53

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 14" Length - 8 Sections, 4 Tubes, Water/Steam

MR425X8

$242.09

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 28" Length - 16 Sections, 4 Tubes, Water/Steam

MR419X16

$320.85

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 21" Length - 12 Sections, 4 Tubes, Water/Steam

MR425X12

$362.04

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 24 1/2" Length - 14 Sections, 4 Tubes, Water/Steam

MR425X14

$422.03

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 28" Length - 16 Sections, 4 Tubes, Water/Steam

MR425X16

$481.94

Cast Iron Radiator, Size: 4-7/16" Width x 25" Height x 31 1/2" Length - 18 Sections, 4 Tubes, Water/Steam

MR425X18

$541.89

Cast Iron Radiator, Size: 6-5/16" Width x 25" Height x 21" Length - 12 Sections, 6 Tubes, Water/Steam - Oswald Supply

Cast Iron Radiator, Size: 6-15/16" Width x 25" Height x 21" Length - 12 Sections, 6 Tubes, Water/Steam

MR625X12

$722.35

Cast Iron Radiator, Size: 6-5/16" Width x 25" Height x 10.5" Length - 6 Sections, 6 Tubes, Water/Steam - Oswald Supply

Cast Iron Radiator, Size: 6-15/16" Width x 25" Height x 10.5" Length - 6 Sections, 6 Tubes, Water/Steam

MR625X6

$362.27

Cast Iron Radiator, Size: 6-5/16" Width x 25" Height x 17 1/2" Length - 10 Sections, 6 Tubes, Water/Steam - Oswald Supply

Cast Iron Radiator, Size: 6-15/16" Width x 25" Height x 17 1/2" Length - 10 Sections, 6 Tubes, Water/Steam

MR625X10

$602.32

Cast Iron Radiator, Size: 4-7/16" Width x 19" Height x 42" Length - 24 Sections, 4 Tubes, Water/Steam

MR419X24

$480.19

Cast Iron Radiator, Size: 6-5/16" Width x 25" Height x 14" Length - 8 Sections, 6 Tubes, Water/Steam - Oswald Supply

Cast Iron Radiator, Size: 6-15/16" Width x 25" Height x 14" Length - 8 Sections, 6 Tubes, Water/Steam

MR625X8

$482.31

Cast Iron Radiator, Size: 6-5/16" Width x 25" Height x 28" Length - 16 Sections, 6 Tubes, Water/Steam - Oswald Supply

Cast Iron Radiator, Size: 6-15/16" Width x 25" Height x 28" Length - 16 Sections, 6 Tubes, Water/Steam

MR625X16

$966.78

Cast Iron Radiator, Size: 6-5/16" Width x 25" Height x 24 1/2" Length - 14 Sections, 6 Tubes, Water/Steam - Oswald Supply

Cast Iron Radiator, Size: 6-15/16" Width x 25" Height x 24 1/2" Length - 14 Sections, 6 Tubes, Water/Steam

MR625X14

$842.38

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Hot Water Radiators Frequently Asked Questions

Are hot water radiators efficient?

Yes. Hot water radiators are highly efficient because they provide steady, even heat and retain warmth long after the boiler cycles off. Modern systems can help reduce energy consumption compared to forced-air heating systems.

Do hot water radiators use electricity?

Hot water radiators use hot water from a boiler to provide heat. While the radiators themselves do not use electricity, most boilers require electricity to power controls, pumps, and ignition systems.

How do hot water radiators work?

Hot water radiators work by circulating heated water from a boiler through pipes into the radiator. The radiator transfers heat into the room through convection and radiant heat before the water returns to the boiler to be reheated.

How to paint hot water radiators?

Turn the radiator off and allow it to cool completely. Clean and lightly sand the surface, apply a suitable primer if needed, and use a heat-resistant radiator paint designed for metal heating surfaces.

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