GWH 345/450 ESR
Temperature Modulated with Electronic Ignition
Suitable for heating and recirculating potable water
6 720 607 909 US (2008.02) JS
Warning: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Do not store or use gasoline or other flammable vapor and liquids in the vicinity of this or any other appliance.
Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.
In the Commonwealth of Massachusetts this product must be installed by a licensed plumber or gas fitter.
Upon completion of the installation, these instructions should be handed to the user of the appliance for future reference.
What to do if you smell gas
•Close gas valve. Open windows and doors, and evacuate the building.
•Do not try to operate any appliance.
•Do not touch any electrical switch; do not use any phone in your building
•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
•If you cannot reach your gas supplier, call the fire department.
•Installation and service must be performed by a qualified installer, service agency or the gas supplier.
