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for instance high wind areas may adversely affect the performance of the appliance
through high back pressure in the flue. Cooling winds can also prevent the evacuation
of fly ash in the flue, leading to restrictions in the flue over time.
Floor Protector
The New Zealand standard AS/NZS 2918:2001 states that if the appliance is to be
installed on or within 500mm of any heat sensitive or combustible materials in the
floor, then a floor protector will be required. The floor protector must extend
underneath the appliance, and finish no less than 300mm in front of the Ash Pan. The
floor protector must not be any less wide than the appliance, and extend at least
200mm from the side of the Ash Pan (unless it comes into direct contact with a wall or
heat shield at a lesser distance).
Coal Hopper
The Hopper should be installed in a location that makes for ease of access for filling
and cleaning. Never construct a Hopper from combustible materials.
It is essential that the Hopper is sealed at the bottom where it joins the Boiler Hopper.
Condensation or rain running down the outside surfaces of the Hopper must not be
allowed to enter the Boiler Hopper, otherwise excessive wear will occur.
Standard hoppers in 150kg, 1000kg and 2000kg are available through Ecomax. Many
other non-standard hopper sizes are also available, including 3000kg double hoppers
(for double boiler installations).
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