WARNING
Upon completion of the installation and commissioning of the water heater,
leave this guide with the householder or responsible officer.
It's important to ensure testing of the flue for complete extraction of products
to ensure there are no down draught or spillage back into the house occurs.
DO NOT leave this guide inside of the cover of the water heater, as it may
interfere with the safe operation of the water heater or ignite when the water
heater is turned on.