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Hydronic Heaters

If you want to enjoy a winter weekend at the dock, nothing will keep you warmer and more comfortable when it’s cold outside than installing a hydronic cabin heater.  Fisheries Supply stocks several marine hydronic heaters, including options from Heater Craft, Dickinson and Red Dot, along with all the accessories you’ll need for the installation. Hydronic boat heaters also help keep mold and mildew at bay by keeping your boat dry – so shop now and enjoy your boat all year long!


300 Commercial Cabin Series - 12V, 40,000 BTU

Heater Craft

300 Commercial Series Hydronic Heater Kit - 12V, 40,000 BTU

SKU: 452329 | Item ID: HEA 300 COM

HEATER 12 VOLT SINGLE FAN 5/8INTUBE

Red Dot

R-254 Single Fan Auxiliary Hydronic Heater - 16,000 BTU, 150 CFM

Available in 2 options

300 Pro Series Hydronic Heater Kit - 12V, 40,000 BTU

Heater Craft

300 Pro Series Hydronic Heater Kit - 12V, 40,000 BTU

SKU: 434997 | Item ID: HEA 300 PRO

R-290 Auxiliary Single Blower Heater - Quiet

Red Dot

R-290 Auxiliary Single Blower Hydronic Heater - 20,000 BTU, 220 CFM

SKU: 134548 | Item ID: R/D R-290-0P

R-6130 Box Heater

Red Dot

R-6130 Hydronic Box Heater - 28,000 BTU, 280 CFM

SKU: 138786 | Item ID: R/D R-6130-1P

Hydronic Heaters

Heater Craft

Commericial Hydronic Cabin Heater - Grill Face Heater - 500 COM

SKU: 452578 | Item ID: HEA 500 COM

Red Dot

R-255 Dual Fan Auxiliary Hydronic Heater - 30,000 BTU, 280 CFM

SKU: 27062 | Item ID: R/D R-255-10P

Heater Craft

Marine Hydronic Heater - 200 Unit Only - Sport, Pro, Elite

SKU: 433203 | Item ID: HEA 200 ELITE UNIT

Heater Craft

Commericial Hydronic Cabin Heater - Grill Face Heater - 400 COM

SKU: 452577 | Item ID: HEA 400 COM

Red Dot

R-295 Auxiliary Single Blower Hydronic Heater - 35,000 BTU, 430 CFM

SKU: 136667 | Item ID: R/D R-295-0P

Red Dot

Defrost Hose - 3-1/2" Diameter

SKU: 27059 | Item ID: R/D 78R0350

Heater Craft

400H Flush Mount Heater Unit Grill Face

SKU: 184495 | Item ID: HEA H305B

Red Dot

Defrost Outlet Assemblies

Available in 2 options

Heater Craft

3H Series 4 Vent Hydronic Heater

Available in 3 options

Heater Craft

3H Series 4 Vent Hydronic Heater With Hot Tubes

SKU: 146178 | Item ID: HEA 303HBW

Red Dot

Hydronic Heater Core for R-255 Auxiliary Heater

SKU: 48705 | Item ID: R/D 76R1400

Heater Craft

200 Series Heater Kit

Available in 3 options

Red Dot

Plenum Outlet for R-254 Hydronic Heater

SKU: 48706 | Item ID: R/D 72R4533

Heater Craft

3H and 4H Series Hydronic Heater Core

SKU: 124915 | Item ID: HEA H301

Red Dot

Replacement Parts For Cabin Hydronic Heater R3911H

Available in 3 options

Heater Craft

2H/5H Series Hydronic Heater Core

SKU: 133420 | Item ID: HEA H202

Red Dot

Fan Blade for R-254 & R-255 Auxiliary Hydronic Heaters

SKU: 27066 | Item ID: R/D 73R8050

Heater Craft

Replacement Fan for 3H Series Hydronic Heaters

SKU: 130177 | Item ID: HEA 2-1195

Heater Craft

Blower Motor for 200 & 500 Heater Series

Available in 2 options

Heater Craft

200 Wrapper for Sport, Pro & Elite Series Systems

SKU: 206456 | Item ID: HEA 2H20CW

Red Dot

Flush Mount Frame for R-254 Heater

SKU: 133489 | Item ID: R/D RD-1-0363-1P

Dickinson Marine

Low Volume Water Circulating Pump

SKU: 1005722 | Item ID: DIK 20-005

Dickinson Marine

Single Radex Hydronic Heater

SKU: 13608 | Item ID: DIK 00-RAD1

Dickinson Marine

Double Radex Hydronic Heater

Available in 2 options

300 Commercial Cabin Series - 12V, 40,000 BTU

Heater Craft

300 Commercial Series Hydronic Heater Kit - 12V, 40,000 BTU

SKU: 452329 | Item ID: HEA 300 COM

Shop Now
HEATER 12 VOLT SINGLE FAN 5/8INTUBE

Red Dot

R-254 Single Fan Auxiliary Hydronic Heater - 16,000 BTU, 150 CFM

Available in 2 options

Shop Now

Heater Craft

300 Pro Series Hydronic Heater Kit - 12V, 40,000 BTU

SKU: 434997 | Item ID: HEA 300 PRO

Shop Now

Red Dot

R-290 Auxiliary Single Blower Hydronic Heater - 20,000 BTU, 220 CFM

SKU: 134548 | Item ID: R/D R-290-0P

Shop Now

Red Dot

R-6130 Hydronic Box Heater - 28,000 BTU, 280 CFM

SKU: 138786 | Item ID: R/D R-6130-1P

Shop Now

Heater Craft

Commericial Hydronic Cabin Heater - Grill Face Heater - 500 COM

SKU: 452578 | Item ID: HEA 500 COM

Shop Now

Red Dot

R-255 Dual Fan Auxiliary Hydronic Heater - 30,000 BTU, 280 CFM

SKU: 27062 | Item ID: R/D R-255-10P

Shop Now

Heater Craft

Marine Hydronic Heater - 200 Unit Only - Sport, Pro, Elite

SKU: 433203 | Item ID: HEA 200 ELITE UNIT

Shop Now

Heater Craft

Commericial Hydronic Cabin Heater - Grill Face Heater - 400 COM

SKU: 452577 | Item ID: HEA 400 COM

Shop Now

Red Dot

R-295 Auxiliary Single Blower Hydronic Heater - 35,000 BTU, 430 CFM

SKU: 136667 | Item ID: R/D R-295-0P

Shop Now

Red Dot

Defrost Hose - 3-1/2" Diameter

SKU: 27059 | Item ID: R/D 78R0350

Shop Now

Heater Craft

400H Flush Mount Heater Unit Grill Face

SKU: 184495 | Item ID: HEA H305B

Shop Now

Red Dot

Defrost Outlet Assemblies

Available in 2 options

Shop Now

Heater Craft

3H Series 4 Vent Hydronic Heater

Available in 3 options

Shop Now

Heater Craft

3H Series 4 Vent Hydronic Heater With Hot Tubes

SKU: 146178 | Item ID: HEA 303HBW

Shop Now

Red Dot

Hydronic Heater Core for R-255 Auxiliary Heater

SKU: 48705 | Item ID: R/D 76R1400

Shop Now

Heater Craft

200 Series Heater Kit

Available in 3 options

Shop Now

Red Dot

Plenum Outlet for R-254 Hydronic Heater

SKU: 48706 | Item ID: R/D 72R4533

Shop Now

Heater Craft

3H and 4H Series Hydronic Heater Core

SKU: 124915 | Item ID: HEA H301

Shop Now

Red Dot

Replacement Parts For Cabin Hydronic Heater R3911H

Available in 3 options

Shop Now

Heater Craft

2H/5H Series Hydronic Heater Core

SKU: 133420 | Item ID: HEA H202

Shop Now

Red Dot

Fan Blade for R-254 & R-255 Auxiliary Hydronic Heaters

SKU: 27066 | Item ID: R/D 73R8050

Shop Now

Heater Craft

Replacement Fan for 3H Series Hydronic Heaters

SKU: 130177 | Item ID: HEA 2-1195

Shop Now

Heater Craft

Blower Motor for 200 & 500 Heater Series

Available in 2 options

Shop Now

Heater Craft

200 Wrapper for Sport, Pro & Elite Series Systems

SKU: 206456 | Item ID: HEA 2H20CW

Shop Now

Red Dot

Flush Mount Frame for R-254 Heater

SKU: 133489 | Item ID: R/D RD-1-0363-1P

Shop Now

Dickinson Marine

Low Volume Water Circulating Pump

SKU: 1005722 | Item ID: DIK 20-005

Shop Now

Dickinson Marine

Single Radex Hydronic Heater

SKU: 13608 | Item ID: DIK 00-RAD1

Shop Now

Dickinson Marine

Double Radex Hydronic Heater

Available in 2 options

Shop Now
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