INSTALLATION AND
USER INSTRUCTIONS
Whale
®
Expanse™
Gas & Electric
Water Heater
More Heat, More Space, More Control*
Thank you for purchasing this Whale® product. For over 60 years Whale has led the way in the design and manufacturer
of water and waste systems including:-plumbing, faucets, showers, pumps and heating for mobile applications. Today’s
range features space and water heaters for caravans and motorhomes. The company and its products have built a
reputation for quality, reliability and innovation backed up by excellent customer service.
For information on our full product range visit:
www.whalepumps.com
* More Heat, More Space, More Control compared to previous Whale Heating System Models
Model Number
Suffix
Description
Underfloor Installation Models
WW0801U
B or R or C
Underfloor Gas and Electric Water Heater (Install with Whale® Water Heater Control Panel)
IW0801U
B or R or C
Underfloor Gas and Electric Water Heater (Install with Whale iVan® Control Panel)
DW0801U
R
Underfloor Gas and Electric Water Heater (Install with Whale® Duo Control Panel)
Onboard Installation Models
WW0801O
B or R or C
Onboard Gas and Electric Water Heater (Install with Whale® Water Heater Control Panel
IW0801O
B or R or C
Onboard Gas and Electric Water Heater (Install with Whale iVan® Control Panel)
DW0801O
R
Onboard Gas and Electric Water Heater (Install with Whale Duo Control Panel)
Suffix
Description
B
Bulk Packaging
R
Returnable Packaging
C
Commercial Packaging
All work must be carried out by a
competent person
as defined by
BS7671 PART2.
All Whale gas products must be installed by a
Qualified Gas Engineer
in
accordance with the installation instructions and BS EN 1949-2011.
Please note if incorrectly installed a risk of electrocution exists.