Welcome to Defender Canada! 
Water Heaters & Components
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Seaward Marine Water Heater - 6 Gal Front Heat Exchange
$792.01 - $983.27 -
Seaward Marine Water Heater with Rear Heat Exchanger
$789.09 - $837.27 -
Isotemp SPA 60L Marine Water Heater
$1,665.16 - $1,708.96 -
Seaward Marine Water Heater - 11 Gal Rear Heat Exchange
$889.89 - $1,098.67 -
Isotemp Basic 24L Marine Water Heater
$1,465.25 - $1,466.71 -
Isotemp Slim 25L Marine Water Heater
$1,377.64 - $1,402.46 -
Seaward Marine Water Heater - 11 Gal Front Heat Exchange
$903.03 - $1,142.47 -
Isotemp SPA 40L Marine Water Heater
$1,149.79 - $1,180.45 -
Isotemp SPA 30L Marine Water Heater
$1,068.01 - $1,123.49 -
Seaward Hot Water Heater for Outboard Boats - 3 Gal - S360EW
$1,072.31 -
Seaward Marine Water Heater - 11 Gal - S1200E
$1,070.93 -
Isotemp SPA 50L Marine Water Heater
$1,533.74 - $1,577.54 -
Isotemp Replacement Water Heater Element
$92.56 - $104.24 -
Isotemp SPA 25L Marine Water Heater
$1,062.15 - $1,113.25 -
Seaward Marine Water Heater - 6 Gal Rear Heat Exchange
$866.47 - $980.35 -
Seaward Replacement Heating Element
$38.54 - $45.84 -
Seaward Marine Water Heater - S300W
$895.65 -
Seaward Replacement Temperature and Pressure Relief Valve - 75974
$51.68 -
Seaward High Temperature Limit Switch
$26.86 - $54.60 -
Seaward Replacement Water Heater Thermostat - 73129
$20.72 -
Isotemp Basic 30L Marine Water Heater
$1,490.08 - $1,511.98 -
Seaward Replacement Heating Element for S300W/S350W - 75586
$41.46 -
Isotemp Replacement Water Heating Element - SEE00016LA
$107.16 -
Isotemp Slim 15L Marine Water Heater
$1,231.55 - $1,235.93 -
Isotemp Slim 20L Marine Water Heater
$1,279.78 - $1,295.84 -
Isotemp SPA 15L Marine Water Heater
$907.36 - $1,015.38 -
Isotemp SPA 20L Marine Water Heater
$1,022.71 - $1,069.43 -
Isotemp Square 16L Marine Water Heater
$1,622.82 - $1,713.34 -
Seaward Marine Vertical Water Heater - 20 Gal Front Heat Exchange
$1,812.74 - $1,875.52 -
Seaward Marine Water Heater - 20 Gal Front Heat Exchange
$1,352.79 - $1,669.62 -
Seaward Marine Water Heater - 20 Gal - H2050EW
$1,609.74 -
Seaward Marine Water Heater - 20 Gal Rear Heat Exchange
$1,411.20 - $1,637.50 -
Seaward Marine Water Heater - 20 Gal - H2250E
$1,692.99