Marine Plumbing & Ventilation - Hot Water Heaters – Hern Ship Store

Skip to content

Free Shipping all Orders Over $150.

Marine
Electronics
Electrical
Pumps & Plumbing
Top Brands
- Garmin
- Humminbird
- Lowrance
- Minn Kota
- Raymarine
- Si-Tex
- Simrad

Marine
Electronics
- Autopilots
- Cartography
- Compasses
- Communication
  
  Communication - Accessories
  CB Radios
  Cellular Amplifiers
  Mobile Broadband
- Cameras & Night Vision
  
  AIS Systems
  Cameras - Network Video
  Cameras & Night Vision
  Underwater Cameras
- Fishfinders, Plotters, GPS
  
  GPS - Chartplotters
  GPS - Fishfinder Combos
  GPS - Track Plotter
  GPS - Only
  Fishfinder Only
  Ice Fishing Flashers
  Sounder / Sonar Modules
  Transducers
  Transducer Accessories
- Instruments - Accessories
  
  Marine Monitors
  Gauges
  Clocks & Barometers
  Instruments
- Network Cables & Sensors
  
  Gauge Accessories
  NMEA Cables & Sensors
  Network Cables & Modules
- Radars
  
  Radar
  Radar/TV Mounts
- Satellite Antennas & Receiverss
  
  Satellite Receivers
  Over-The-Air TV Antennas
  Entertainment - Accessories
  Satellite TV Antennas
  Televisions
- Stereos & Speakers
  
  Amplifiers
  Speakers
  Stereos
  Subwoofers
  Stereo Remotes
  Speakers Home & Outdoor
  Speakers - Tower / Soundbars
- VHF Radios & Accessories
  
  Antennas
  Antenna Mounts & Accessories
  Hailer Horns
  Loud Hailers
  Satellite Telephone
  VHF - Handheld
  VHF - Fixed Mount
Electrical
- Fuses & Breakers
  
  Breakers - Fuses
  Busbars, Connectors & Insulators
  Circuit Breakers
  Fuse Blocks & Fuses
- Batteries & Battery Management
  
  Alternators
  Batteries
  Battery Isolators
  Battery Management
  Meters & Monitoring
- Chargers & Inverters
  
  Battery Chargers
  Chargers & Inverters
  Charger / Inverter Combos
  DC to DC Converters
  Inverters
  Solar Panels
- Electrical Panels
- Shore Power
- Switches & Accessories
- Wire - Terminals - Tools
  
  Electrical - Accessories
  Terminals
  Tools
  Wire
  Wire Management
Pumps & Plumbing
Top Brands

Facebook
X (Twitter)
Instagram
TikTok
Pinterest
YouTube

Home Collection Marine Plumbing & Ventilation - Hot Water Heaters

Price

From To

From $

To

To $

Brand

Camco(1)
Kuuma Products(5)
Raritan(5)
Whale Marine(20)

Product type

Hot Water Heaters(31)

Availability

In stock(31)
Out of stock(0)

Filter

Sort by:

Price

From To

From $

To

To $

Brand

Camco(1)
Kuuma Products(5)
Raritan(5)
Whale Marine(20)

Product type

Hot Water Heaters(31)

Availability

In stock(31)
Out of stock(0)

31 products

Sort by:

Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W

-12%

Type: Hot Water Heaters

Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W

Regular price $770.95

Sale price $770.95 Regular price ~~$879.99~~

Unit price

/per

Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W

-24%

Type: Hot Water Heaters

Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W

Regular price $778.95

Sale price $778.95 Regular price ~~$1,029.99~~

Unit price

/per

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W

-23%

Type: Hot Water Heaters

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W

Regular price $626.95

Sale price $626.95 Regular price ~~$819.99~~

Unit price

/per

Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 240V - 1500W

-25%

Type: Hot Water Heaters

Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 240V - 1500W

Regular price $666.95

Sale price $666.95 Regular price ~~$889.99~~

Unit price

/per

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W

-23%

Type: Hot Water Heaters

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W

Regular price $821.95

Sale price $821.95 Regular price ~~$1,079.99~~

Unit price

/per

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W

-23%

Type: Hot Water Heaters

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W

Regular price $779.95

Sale price $779.95 Regular price ~~$1,019.99~~

Unit price

/per

Kuuma 11842 - 11 Gallon Water Heater - 120V

-11%

Type: Hot Water Heaters

Kuuma 11842 - 11 Gallon Water Heater - 120V

Regular price $611.95

Sale price $611.95 Regular price ~~$692.99~~

Unit price

/per

Whale 3 Gallon Hot Water Heater - White Epoxy - 12V - 1500W

-23%

Type: Hot Water Heaters

Whale 3 Gallon Hot Water Heater - White Epoxy - 12V - 1500W

Regular price $767.95

Sale price $767.95 Regular price ~~$999.99~~

Unit price

/per

Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W

-21%

Type: Hot Water Heaters

Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W

Regular price $582.95

Sale price $582.95 Regular price ~~$739.99~~

Unit price

/per

Kuuma 11850 - 11 Gallon Water Heater - 240V

-12%

Type: Hot Water Heaters

Kuuma 11850 - 11 Gallon Water Heater - 240V

Regular price $637.95

Sale price $637.95 Regular price ~~$724.99~~

Unit price

/per

Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W

-23%

Type: Hot Water Heaters

Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W

Regular price $623.95

Sale price $623.95 Regular price ~~$819.99~~

Unit price

/per

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W

-19%

Type: Hot Water Heaters

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W

Regular price $618.95

Sale price $618.95 Regular price ~~$769.99~~

Unit price

/per

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - 120V - 1500W

-20%

Type: Hot Water Heaters

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - 120V - 1500W

Regular price $581.95

Sale price $581.95 Regular price ~~$729.99~~

Unit price

/per

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W

-23%

Type: Hot Water Heaters

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W

Regular price $666.95

Sale price $666.95 Regular price ~~$869.99~~

Unit price

/per

Kuuma 11811 - 6 Gallon Water Heater - 120V

-6%

Type: Hot Water Heaters

Kuuma 11811 - 6 Gallon Water Heater - 120V

Regular price $495.95

Sale price $495.95 Regular price ~~$532.99~~

Unit price

/per

1
2
3
Next

Subscribe to our emails

Be the first to know about new collections and exclusive offers.

Email

You have already subscribed!

By subscribing you agree to the Terms of Use & Privacy Policy.

Quick links

Search
Terms & Conditions
Privacy Policy
About Us
Return Policy

Facebook
X (Twitter)
Instagram
TikTok
Pinterest
YouTube

© 2025 Hern Ship Store. Powered by Shopify

Cart Products About

Your cart

You are eligible for free shipping. Spend $0.00 more to reach free shipping!

Your cart is currently empty.

Not sure where to start?
Try these collections:

Anchoring & Docking - Anchors
Boat Outfitting - Trim Tabs
Communication - VHF - Handheld
Entertainment - Stereos
Hunting & Fishing - Rod Holders

Order note

Order note

Estimate Shipping

Country/region

Province

Postal/ZIP code

Estimated total $0.00 USD

Taxes and shipping calculated at checkout

View cart

Search

Search

Most searched products

Lewmar V700 Vertical Windlass - 12V

Regular price $953.95

Sale price $953.95 Regular price ~~$1,504.95~~

Unit price
per
Davis Air Dryer 500

Regular price $56.95

Sale price $56.95 Regular price ~~$69.99~~

Unit price
per
Marinco CS30-25 EEL 30A 125V Shore Power Cordset - 25' - Yellow

Regular price $123.95

Sale price $123.95 Regular price ~~$211.99~~

Unit price
per

Choosing a selection results in a full page refresh.
Opens in a new window.