Home Boat Plumbing Fixtures & Supplies Boat & Marine Water Heaters

Boat & Marine Water Heaters

54 results
CategoryBoat Plumbing Fixtures & Supplies
CategoryBoat & Marine Water Heaters
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Basic Electric/Engine Water Heaters

Isotherm

Isotemp Basic Water Heaters

Available in 6 options

$966.99 - $1,218.99

In Stock
Hose for these Water Heaters

Kuuma Products

Kuuma Water Heaters

Available in 7 options

$354.76 - $681.04

In Stock
Isotemp Spa Water Heaters

Isotherm

Isotemp Spa Water Heaters

Available in 7 options

$646.99 - $944.03

In Stock
WATER HEATER SLIM16 4 GAL SQUARE

Isotherm

Isotemp Slim Square Water Heater

SKU: 180778 | Item ID: ISO 601623QX00003

$1,086.99

In Stock
Image coming soon

Isotherm

Mixing Valve for Regular, Basic and Slim Water Heaters

SKU: 388407 | Item ID: ISO SFD00011AA

$48.99

In Stock
Isotherm Slim Water Heaters

Isotherm

Isotemp Slim Water Heaters

Available in 3 options

$816.99 - $910.99

In Stock
1700 Series Water Heater

Raritan

1700 Series Water Heater

Available in 8 options

$1,298.74 - $1,557.90

In Stock
Seaward Water Heaters

Whale

Water Heater 6/11/20 Gal - Front Heat Exchanger - Stainless - Horizontal

Available in 3 options

$668.72 - $1,313.39

In Stock
20 Gallon of Torrid MVS 20 IX Marine Water Heater

Torrid

MVS 20 IX Marine Vertical Water Heater - 20 Gallons

Available in 3 options

$1,809.72

Out of Stock
Water Heater Anodes

Torrid

Water Heater Anodes

Available in 4 options

$44.80

In Stock
MVS 10 IX Marine Vertical Water Heater - 10 Gallons

Torrid

MVS 10 IX Marine Vertical Water Heater - 10 Gallons

Available in 3 options

$1,483.68

In Stock
1700 Series Water Heater Element, Bolt-on

Raritan

1700 Series Water Heater Element

Available in 2 options

$45.00 - $47.00

In Stock
see00014ha of Isotherm 110V/750W Heating Element

Isotherm

110V/750W Heating Element

SKU: 197811 | Item ID: ISO SEE00014HA

$61.99

In Stock
6 GAL WATER HEATER FRNT H/E 120V GALV

Whale

Water Heater 6/11/20 Gal. - Front Heat Exchanger - Galvanised - Horizontal

Available in 3 options

$558.61 - $988.62

In Stock
sfd00023aa of Isotherm Safety Valve

Isotherm

Safety Valve

SKU: 184649 | Item ID: ISO SFD00023AA

$31.99

In Stock
sdf00025aa of Isotherm Gasket Set for Basic & Slim Water Heaters

Isotherm

Gasket Set for Basic & Slim Water Heaters

SKU: 207738 | Item ID: ISO SDF00025AA

$30.99

In Stock
11 GAL WATER HEATER REAR H/E 120V GALV

Whale

Water Heater 6/11 Gal - Rear Heat Exchanger - Galvanised

Available in 2 options

$557.39 - $624.32

In Stock
Seaward Water Heaters

Whale

Water Heater 6/11/20 Gal - Rear Heat Exchanger - Stainless

Available in 3 options

$664.87 - $1,287.83

In Stock
Anodes for 1700 Series Water Heaters

Raritan

Anodes for 1700 Series Water Heaters

Available in 2 options

$68.00 - $70.00

Out of Stock
Image coming soon

Whale

Water Heater 3 Gal. - 12V Electric Only

SKU: 442118 | Item ID: S/W S360EW

$764.95

In Stock
20 GAL WATER HEATER FRNT H/E 120V GALV

Whale

Water Heater 20 Gal. - Front Heat Exchanger - Galvanised - Vertical

SKU: 50125 | Item ID: S/W S1800

$1,171.45

In Stock
MVS 17 IX Marine Vertical Water Heater - 17 Gallons

Torrid

MVS 17 IX Marine Vertical Water Heater - 17 Gallons

Available in 3 options

$1,618.71

In Stock
20 GAL WATER HEATER FRNT H/E 120V SS

Whale

Water Heater 20 Gal. - Front Heat Exchanger - Stainless - Vertical

SKU: 50126 | Item ID: S/W S1900

$1,284.27

In Stock
sfe00021aa of Isotherm Braided Steel Hose

Isotherm

10" Braided Steel Water Heater Hose

SKU: 1022506 | Item ID: ISO SFE00021AA

$20.99

In Stock
74031 of Seaward Products Heating Elements

Seaward Products

Heating Element

SKU: 87625 | Item ID: S/W 74031

$30.10

In Stock
MVW 20 IX Marine Water Heater

Torrid

MVW 20 IX Marine Vertical Water Heater - 20 Gallons

Available in 3 options

$1,941.46

Out of Stock
11812 of Kuuma Products 6 Gallon Water Heater

Kuuma Products

6 Gallon Water Heater

SKU: 200038 | Item ID: KUM 11812

$367.81

Special Order Only
MVS 6 IX Marine Vertical Water Heater - 6 Gallons

Torrid

MVS 6 IX Marine Vertical Water Heater - 6 Gallons

Available in 3 options

$1,353.59

Out of Stock
11930 of Kuuma Products Water Heater Thermostat

Kuuma Products

Water Heater Thermostat

SKU: 207318 | Item ID: KUM 11930

$35.65

In Stock
MHS 6 IX Marine Horizontal Water Heater - 6 Gallons

Torrid

MHS 6 IX Marine Horizontal Water Heater - 6 Gallons

SKU: 1011005 | Item ID: TOR MHS6IX120/1500

$1,682.93

In Stock
sfb00002aa of Isotherm BSP to NPT Adapter

Isotherm

1/2" BSP to 1/2" NPT Adapter

SKU: 1018328 | Item ID: ISO SFB00002AA

$10.99

In Stock
20136 of Camco Quick Hose Connect - Brass

Camco

Quick Hose Connect - Brass

SKU: 1003444 | Item ID: CMC 20136

$17.39

In Stock
MVS 15 IX Marine Water Heater

Torrid

MVS 15 IX Marine Vertical Water Heater - 15 Gallons

Available in 3 options

$1,516.61

In Stock
MVW 30 IX Marine Water Heater

Torrid

MVW 30 IX Marine Vertical Water Heater - 30 Gallons

Available in 3 options

$2,554.03

Special Order Only
803361 of Seaward Products 80336 Conversion Kit

Seaward Products

80336 Conversion Kit

SKU: 1012275 | Item ID: S/W 80336

$123.32

In Stock
Image coming soon

Vetus

Water Heater - Double Walled

Available in 4 options

$1,361.65 - $2,026.01

Special Order Only
MVS 30 IX Marine Water Heater

Torrid

MVS 30 IX Marine Vertical Water Heater - 30 Gallons

Available in 3 options

$2,180.23

Out of Stock
MHS 10 IX Marine Horizontal Water Heater - 10 Gallon

Torrid

MHS 10 IX Marine Horizontal Water Heater - 10 Gallon

SKU: 1011008 | Item ID: TOR MHS10IX120/1500

$1,809.72

Out of Stock
SP ZINC ANODE

Isotherm

Replacement Zinc Anode for Water-Cooled SP Refrigeration Systems

SKU: 177091 | Item ID: ISO SBE00006AA

$30.99

Out of Stock
5/8IN HOSE FOR TCV VALVE TO EXCHANGE

Kuuma Products

Water Heater Hose

SKU: 173556 | Item ID: KUM 15009

$5.00

Special Order Only
MVS 40 IX Marine Water Heater

Torrid

MVS 40 IX Marine Vertical Water Heater - 40 Gallons

Available in 3 options

$2,399.24

Special Order Only
MVS Explorer Series Marine Water Heater

Torrid

MVS 50 2IX 2EL Explorer Series Marine Water Heater, Vertical - 50 Gallons

SKU: 1018787 | Item ID: TOR MVS502IX2EL240/1500_240/4000

$2,728.45

Special Order Only
MVW 40 IX Marine Water Heater

Torrid

MVW 40 IX Marine Vertical Water Heater - 40 Gallons

Available in 3 options

$2,718.70

Special Order Only
1700 Series Water Heater Thermostat

Raritan

Thermostat for 1700 Series Water Heaters

SKU: 48513 | Item ID: RAR WH16

$99.00

In Stock
5 Year Marine Water Heater Maintenance Kit

Torrid

5 Year Marine Water Heater Maintenance Kit - for Models 30 Gallons and Less

SKU: 1010984 | Item ID: TOR 5YMK2403000

$152.00

Special Order Only
 1-45 results of 54
Fisheries Supply is your premier supplier of marine water heaters from the top brands. We offer a full range of boat water heaters in a variety of sizes and styles – something to fit even the most challenging yacht. We also offer a wide selection of marine water heater parts such as pressure relief valves, anodes and more to keep your hot water heater running for the long term. Shop now and save or browse our great selection of marine faucets.