GENERAL INFORMATION
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1. GENERAL INFORMATION
1.1 General warnings – Installation
Read all safety warnings in the “Instruction Manual”. The additional safety issues outlined below must also be
followed completely when installing this FLOWMAX Combination Water heater.
Failure to remove or maintain the area free of combustible material, gasoline and other flammable liquids or vapours
can result in severe personal injury, death or substantial property damage.
All applicable local, state, national and provincial codes, ordinances, regulations and laws must be observed.
For installations in Massachusetts – code requires the units to be installed by a licensed plumbing or gas fitter.
The appliance cannot operate without the correct amount of air for combustion. Please make sure there is sufficient
inflow and outflow of air for ventilation, never obstruct the flow of ventilation air. Failure to provide the proper amount
of combustion air can result in a fire or explosion and cause death, serious bodily injury or property damage.
If an external electrical source is utilized, the appliance, when installed, must be electrically grounded in accordance
with local codes or, in the absence of local codes, with the National Electrical Codes ANSI/NFPA 70 and or the CSA
C22.1 Canadian Electrical Code.
Follow all local codes and/or the most recent edition of the National Fuel Gas Code (ANSI Z223.1/NFPA 54) in the
USA or the Natural Gas and Propane Installation Code in Canada (CAN/CSA B149.1).
This unit is designed for indoor installations. DO NOT operate this unit without the vent piping connected. Exhaust
gases must be completely expelled out of the building.
Do not use this appliance if any part has been underwater. Immediately call a qualified service technician to inspect
the appliance and replace any part of the control system and any gas control which has been underwater.
Be sure not to reverse the water and gas connections as this may damage the gas valves.
Water temperatures over 125⁰F can cause severe burns instantly or death from scalding. If the proposed water
heater outlet temperature is above 125⁰F, a thermostatically controlled mixing valve (or a temperature limiting valve)
for reducing point of use water temperature is recommended to reduce the risk of scald injury. Contact a licensed
plumber or the local plumbing authority for further information.
The appliance should be located in an area where leakage within the unit or at its connections will not result in
damage to the area adjacent to the appliance or to lower floors of the structure. FLOWMAX will not be responsible
for any damage resulting from leaking if adequate drainage is not provided. When such locations cannot be
avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance.
Do not use this combination water heater for any purpose other than water heating and space heating.
The flow of combustion air and ventilation to the water heater must not be obstructed. The water heater area must
be kept clear and free from combustible materials, gasoline and other flammable vapours and liquids.
If the water quality is known to be highly acidic and/or extremely hard, water treatments (ie water softeners and
filtration) are recommended to maintain full warranty. Consult the local water authority.
DO NOT over-tighten fittings, as pipe and/or fitting damage may occur causing leakage.
DO NOT install water heater where subject to vibrations.
For other than a direct vent appliance, the appliance must be located as close as possible to a chimney or gas vent.
Should overheating occur or the gas supply fails to shut off, turn the manual gas control valve to the appliance.
Contact a Service Technician immediately.
Clearance must be in accordance with the local installation codes and the requirements of the gas supplier.
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