HOLIDAY ALERT

We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
Any orders placed after this time will be processed on Monday, April 21st.
Have a happy Easter weekend!

Weather Closure Alert

Due to severe weather, our White House, Tennesee location will be closed Wednesday the 19th.

All shipments from this location will resume on Thursday the 20th. Thank you for your patience!

WE WANT TO HEAR FROM YOU!

We strive to make improvements that make it easier to serve your boating needs.
We’d like to know more about you and how we can do the best job possible for you.
Please take the time to complete this brief 3-5 minute survey to help us serve you better.

FREE Ground Shipping on Orders over $100!  Exceptions apply - see details.

Toggle Nav
  • Sign In
  • Create an Account
My Cart
Search
Menu
Account
Settings
Seaward Water Heaters by Whale

Seaward Water Heaters by Whale

Items 1-12 of 51

Set Descending Direction
View as List Grid
Page
  1. Whale F600 Seaward 6 Gallon 120V Water Heater w/Front Heat Exchanger, Galvanized Jacket
    6 gallon Water Heater, 120 volt | Whale F600
    WHALE-F600
    Qty In Stock: 5
    Brand: Whale

    This Whale F600 marine hot water heater with front heat exchanger features a galvanized steel jacket and an aluminum tank. This water heater is equipped with front and rear hold down brackets.

    Learn More
    MSRP: $745.92 $491.09
    Add to Wishlist
  2. Whale 74563 Seaward 120V Water Heater High Limit Switch
    Seaward Water Heater High Limit Switch, 120 volt | Whale 74563
    WHALE-74563
    Qty In Stock: 14
    Brand: Whale

    Seaward Water Heater High Limit Switch, 120 volt 

    Learn More
    MSRP: $24.66 $21.25
    Add to Wishlist
  3. Whale F700 Seaward 6 Gallon 120V Water Heater w/Front Heat Exchanger, Stainless Steel Jacket
    6 gallon Water Heater, 120 volt | Whale F700
    WHALE-F700
    Qty In Stock: 1
    Brand: Whale

    This Whale F700 marine hot water heater with front heat exchanger features a stainless steel jacket and an aluminum tank. This water heater is equipped with front and rear hold down brackets.

    Learn More
    MSRP: $893.24 $616.53
    Add to Wishlist
  4. Whale H2050EW Seaward 20 Gallon 240V Water Heater, No Heat Exchanger, White Jacket
    20 gallon Water Heater, 240 volt | Whale H2050EW
    WHALE-H2050EW
    Qty In Stock: 0
    Brand: Whale
    This Whale H2050EW marine hot water heater features a white epoxy painted aluminum jacket and an aluminum tank. This model is not equipped with a heat exchanger. This water heater is equipped with front and rear hold down brackets. Learn More
    MSRP: $1,533.48 $1,095.34
    Add to Wishlist
  5. Whale 74556 Seaward Replacement Water Heater Anode, 3/4" NPT - Magnesium
    Seaward Water Heater Magnesium Anode | Whale 74556
    WHALE-74556
    Qty In Stock: 0
    Brand: Whale

    Replacement 3/4 in. NPT magnesium anode for Seaward water heaters prevents corrosion when replaced regularly.

    Learn More
    MSRP: $33.98 $30.82
    Add to Wishlist
  6. Whale S700 Seaward 6 Gallon 120V Water Heater w/Rear Heat Exchanger, Stainless Steel Jacket
    6 gallon Water Heater, 120 volt | Whale S700
    WHALE-S700
    Qty In Stock: 4
    Brand: Whale

    This Whale S700 marine hot water heater with rear heat exchanger features a stainless steel jacket and an aluminum tank. This water heater is equipped with front and rear hold down brackets.

    Learn More
    MSRP: $889.16 $666.81
    Add to Wishlist
  7. Whale HF2200 Seaward 20 Gallon 120V Water Heater w/Front Heat Exchanger, Stainless Steel Jacket
    20 gallon Water Heater, 120 volt | Whale HF2200
    WHALE-HF2200
    Qty In Stock: 0
    Brand: Whale

    This Whale HF2200 marine hot water heater with front heat exchanger features a stainless steel jacket and an aluminum tank. This water heater is equipped with front and rear hold down brackets.

    Learn More
    MSRP: $1,562.00 $1,115.72
    Add to Wishlist
  8. Whale 73129 Seaward Water Heater Replacement Thermostat, 120V/240V
    Seaward Water Heater Replacement Thermostat, 120 volt/240 volt | Whale 73129
    WHALE-73129
    Qty In Stock: 15
    Brand: Whale

    Seaward Water Heater Replacement Thermostat, 120 volt/240 volt

    Learn More
    MSRP: $18.64 $15.93
    Add to Wishlist
  9. Whale HF2250 Seaward 20 Gallon 240V Water Heater w/Front Heat Exchanger, Stainless Steel Jacket
    20 gallon Water Heater, 240 volt | Whale HF2250
    WHALE-HF2250
    Qty In Stock: 0
    Brand: Whale

    This Whale HF2250 marine hot water heater with front heat exchanger features a stainless steel jacket and an aluminum tank. This water heater is equipped with front and rear hold down brackets.

    Learn More
    MSRP: $1,589.34 $1,402.09
    Add to Wishlist
  10. Whale 74032 Seaward 240 Volt Replacement Heating Element, 1500 Watt
    Seaward Replacement Heating Element, 240 volt/1500 watt | Whale 74032
    WHALE-74032
    Qty In Stock: 5
    Brand: Whale

    Seaward Replacement Heating Element, 240 volt/1500 watt | Whale 74032

    Learn More
    MSRP: $40.90 $34.00
    Add to Wishlist
  11. 20 gallon Water Heater, 120 volt | Whale H2050EW-4500
    20 gallon Water Heater, 120 volt | Whale H2050EW-4500
    WHALE-H2050EW-4500
    Qty In Stock: 0

    20 gallon Water Heater, 120 volt

    Learn More
    MSRP: $1,424.52 $1,257.51
    Add to Wishlist
  12. 20 gallon Water Heater, 120 volt | Whale HF2200A
    20 gallon Water Heater, 120 volt | Whale HF2200A
    WHALE-HF2200A
    Qty In Stock: 0

    20 gallon Water Heater, 120 volt

    Learn More
    MSRP: $1,500.78 $1,324.48
    Add to Wishlist

Items 1-12 of 51

Set Descending Direction
View as List Grid
Page
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
© 2025 Marine Parts Source. All Rights Reserved.