You are using a web browser we don't support. Please use the latest version of one of these browsers.

Chrome
Firefox
Edge

Marine Hydronic Heaters & Accessories

Fisheries Supply is your premier supplier of marine hydronic heating systems from top brands. We offer a full range of quality marine diesel hydronic heater units, grill boxes and all the accessories you need for a successful install.  Marine hydronic heaters provide welcome heat in the winter and help keep mold and mildew at bay by keeping your boat dry – so shop now and enjoy your boat all year long!


Hydronic Heaters

Heater Craft

Commericial Hydronic Cabin Heater - Grill Face Heater - 500 COM

SKU: 452578 | Item ID: HEA 500 COM

In Stock
|
Ships immediately
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

In Stock
|
Ships immediately
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

In Stock
|
Ships immediately
Commericial Hydronic Cabin Heater - Grill Face Heater - 400 COM

Heater Craft

Commericial Hydronic Cabin Heater - Grill Face Heater - 400 COM

SKU: 452577 | Item ID: HEA 400 COM

In Stock
|
Ships immediately
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

Special Order Only
400H Flush Mount Heater Unit Grill Face

Heater Craft

400H Flush Mount Heater Unit Grill Face

SKU: 184495 | Item ID: HEA H305B

Special Order Only

Heater Craft

340 Commercial Cabin Series Heater

Available in 2 options

In Stock
|
Ships immediately

Red Dot

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

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

Out of Stock

Heater Craft

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

SKU: 452329 | Item ID: HEA 300 COM

In Stock
|
Ships immediately

Red Dot

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

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

Out of Stock

Heater Craft

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

SKU: 434997 | Item ID: HEA 300 PRO

In Stock
|
Ships immediately

Red Dot

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

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

Special Order Only

Heater Craft

200 Series Heater Kit

Available in 3 options

In Stock
|
Ships immediately

Red Dot

Defrost Hose - 3-1/2" Diameter

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

Special Order Only

Red Dot

Defrost Outlet Assemblies

Available in 2 options

Special Order Only

Heater Craft

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

SKU: 433203 | Item ID: HEA 200 ELITE UNIT

Out of Stock

Heater Craft

3H and 4H Series Hydronic Heater Core

SKU: 124915 | Item ID: HEA H301

In Stock
|
Ships immediately

Red Dot

Hydronic Heater Core for R-255 Auxiliary Heater

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

Special Order Only

Red Dot

Plenum Outlet for R-254 Hydronic Heater

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

Special Order Only

Heater Craft

2H/5H Series Hydronic Heater Core

SKU: 133420 | Item ID: HEA H202

Out of Stock

Heater Craft

Blower Motor for 200 & 500 Heater Series

Available in 2 options

In Stock
|
Ships immediately

Red Dot

Replacement Parts For Cabin Hydronic Heater R3911H

Available in 3 options

Special Order Only

Heater Craft

Replacement Fan for 3H Series Hydronic Heaters

SKU: 130177 | Item ID: HEA 2-1195

In Stock
|
Ships immediately

Dickinson Marine

Low Volume Water Circulating Pump

SKU: 1005722 | Item ID: DIK 20-005

Out of Stock

Red Dot

Flush Mount Frame for R-254 Heater

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

In Stock
|
Ships immediately

Dickinson Marine

Single Radex Hydronic Heater

SKU: 13608 | Item ID: DIK 00-RAD1

In Stock
|
Ships immediately

Dickinson Marine

Double Radex Hydronic Heater

Available in 2 options

In Stock
|
Ships immediately
1-27 results of 27
Sort