Sure Marine Service, Inc. offers a wide selection of marine heating installation equipment perfect for your Webasto installation. 
These installation parts would work for other heater types as well. 
Including: Espar, Hurricane, Kabola, Ardic, Volvo, Wallas, Proheat and others. 
Sure Marine Service, Inc. manufacturers many of these parts at their location in Seattle, Washington. 
As always we use the finest quality components available to survive the harsh marine environment.

Sure Marine Service, Inc. has a large test and repair facility and are able to carry out
troubleshooting and maintenance and provide technical support for a wide variety of equipment including:

Webasto Blue Heat, Proheat, and Propex Heatsource Marine Forced Air and Hydronic Diesel Heaters
Eno, Dickinson, Force10 Manufacturing, Gas Systems, Hillerange, Kenyon, Origo,
Princess and Seaward Products Propane Galley Cooktops, Ovens, Stoves and Ranges
Adler / Barbour Cold Machine, Dometic, Isotherm, Norcold, Tundra, Polar Mate, U-Line, Vitrifrigo,
and Waeco Marine AC/DC Refrigerators, Freezers, and Ice Makers
Everhot, Isotemp, Kuuma, Seaward and Torrid Domestic Water Heaters
Dometic Cruisair and Webasto Blue Cool Marine DX Self Contained, Split System and Tempered Water Air Conditioning
MasterVolt Chargers and Inverters