Welcome to Defender Canada! 
Water Heaters & Components
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Seaward Marine Water Heater - 6 Gal Front Heat Exchange
$739.54 - $917.19 -
Raritan 1700 Series Marine Water Heater Front Heat Exchanger
$1,783.00 - $2,059.48 -
Seaward Marine Water Heater with Rear Heat Exchanger
$736.71 - $781.83 -
Raritan 1700 Series Marine Water Heater
$1,495.33 - $1,792.99 -
Seaward Marine Water Heater - 11 Gal Rear Heat Exchange
$831.24 - $1,077.99 -
Seaward Marine Water Heater - 11 Gal Front Heat Exchange
$842.52 - $1,066.71 -
Seaward Marine Water Heater - 6 Gal Rear Heat Exchange
$826.94 - $914.37 -
Seaward Marine Water Heater - 11 Gal - S1200E
$999.03 -
Seaward Replacement Temperature and Pressure Relief Valve - 75974
$48.52 -
Seaward Replacement Heating Element
$41.47 - $49.93 -
Raritan Temperature and Pressure Safety Relief Valve
$80.95 - $82.36 -
Seaward Marine Water Heater - S300W
$835.39 -
Seaward High Temperature Limit Switch
$25.10 - $51.34 -
Seaward Replacement Water Heater Thermostat - 73129
$19.38 -
Seaward Hot Water Heater for Outboard Boats - 3 Gal - S360EW
$1,001.79 -
Raritan Screw-In Replacement Heating Element
$55.57 - $58.39 -
Raritan Water Heater Thermostat - WH16
$111.97 -
Raritan Bolt-On Replacement Heating Element
$61.21 -
Seaward Replacement Heating Element for S300W/S350W - 75586
$38.65 -
Seaward Marine Water Heater - 20 Gal Front Heat Exchange
$1,261.37 - $1,557.48 -
Seaward Marine Water Heater - 20 Gal Rear Heat Exchange
$1,316.37 - $1,527.87 -
Seaward Marine Water Heater - 20 Gal - H2050EW
$1,501.06 -
Seaward Marine Vertical Water Heater - 20 Gal Front Heat Exchange
$1,691.47 - $1,749.28 -
Seaward Marine Water Heater - 20 Gal - H2250E
$1,580.05