Welcome to Defender Canada! 
Water Heaters & Components
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Seaward Marine Water Heater - 6 Gal Front Heat Exchange
$670.29 - $833.64 -
Raritan 1700 Series Marine Water Heater Front Heat Exchanger
$1,618.06 - $1,889.53 -
14% offKuuma Marine Water Heater - 6 gal - 11811
$543.42$462.02 -
Raritan 1700 Series Marine Water Heater
$1,362.88 - $1,645.18 -
Seaward Marine Water Heater - 11 Gal Front Heat Exchange
$766.20 - $968.70 -
14% offKuuma Marine Water Heater - 11 Gal - 11841
$664.97$565.34 -
Seaward Hot Water Heater for Outboard Boats - 3 Gal - S360EW
$907.88 -
14% offKuuma Marine Water Heater - 11 Gal - 11840
$706.87$600.96 -
Seaward Replacement Heating Element
$37.03 - $45.13 -
14% offKuuma Marine Water Heater - 6 gal - 11810
$558.27$474.64 -
14% offKuuma Marine Water Heater - 20 Gal - 11870
$998.53$848.89 -
Seaward Marine Water Heater - 11 Gal Rear Heat Exchange
$755.40 - $979.50 -
Raritan Temperature and Pressure Safety Relief Valve
$64.03 - $73.48 -
Seaward High Temperature Limit Switch
$22.87 - $46.48 -
14% offKuuma Marine Water Heater - 11 Gal - 11842
$708.22$602.11 -
Raritan Screw-In Replacement Heating Element
$50.53 -
Kuuma Marine Water Heater Element - 02858
$45.13 -
Kuuma Replacement Water Heater Thermostat - 11930
$43.78 -
14% offKuuma Marine Water Heater - 6 Gal - 11812
$558.27$474.64 -
Seaward Replacement Water Heater Thermostat - 73129
$17.68 -
Raritan Water Heater Thermostat - WH16
$92.38 -
Seaward Marine Water Heater - 6 Gal Rear Heat Exchange
$751.28 - $829.59 -
Raritan Bolt-On Replacement Heating Element
$53.23 -
Kuuma High Temperature Limiter - 11920
$46.48 -
9% offKuuma Pressure Relief Valve - 10473
$25.32$22.85 -
Whale Quick Connect Flexible Heater Connector - WX1519B
$24.26 -
Seaward Replacement Heating Element for S300W/S350W - 75586
$35.68 -
Kuuma High Temperature Limiter - 11921
$43.78 -
Kuuma Water Heater Element - 02152
$31.63 -
9% offKuuma Nylon Drain Valve - 11523
$11.41$10.33