AquaStar 125HX LP, 125HX NG 31egapeesELBATECNANETNIAM

VULCANO Termodomésticos S.A.

Estrada de Cacia

3801 - 856 Aveiro - PORTUGAL

Recycled paper

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Replacement Parts available from:

BBT NORTH AMERICA

Bosch Group

Bosch Water Heating

340 Mad River Park

Waitsfield, VT 05673

Phone 800-642-3111

Fax (802) 496-6924

www.boschhotwater.com

techsupport@boschhotwater.com

Contents

Main WARNING (Flow Modulated with Electronic Ignition) Suitable for heating potable water only Not approved for space heating purposes Intended for variable flow applications with steady cold water inlet temperatures. WARNING FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS WARNING FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS FEATURES UNPACKING THE 125 HX HEATER Page GENERAL RULES TO FOLLOW FOR SAFE OPERATION PROPER LOCATION FOR INSTALLING YOUR HEATER COMBUSTION AIR REQUIREMENTS CLEARANCES MOUNTING INSTALLATION VENTING MASONRY CHIMNEYS GAS CONNECTIONS GAS LINE SIZING GAS PIPING, CONNECTIONS and Gas Regulator FOR NATURAL GAS GAS LINE SIZING FOR LP GAS FOR YOUR SAFETY READ BE FORE OPERATING YOUR HOT WATER HEATER WATER CONNECTION S LIGHTING AND OPER ATING INSTRUCTIONS SETTING THE WATER TEMPERATURE MAINTENANCE AND SERVICE TROUBLE SHOOTING NO SPARK AT THE PILOT Page Page Page Page Fig. 15 INTERIOR COMPONENTS DIAGRAM AND PARTS LIST 125 HX Page Twelve Year Limited Warranty Page Page 31egapeesELBATECNANETNIAM