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Bosch 125B LP Installation & Operating Instructions Manual

Bosch operating instruction water heater 125b lp and 125b ng
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Table of Contents
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  Summary of Contents for Bosch 125B LP

  • Page 2: Features

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  • Page 6: Mounting Installation

    Before installing the unit, be certain you have the correct heater for your type of Gas – Propane or Natural Gas. Identification labels are found on the shipping box, and on the rating plate which is located on the right side panel of 6 720 607 030...
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  • Page 10 Altitude Natural Gas Liquid Propane inches W.C: inches W.C: 0' - 2.000 ft 5.7" 10.5" 2.000 ft - 4.500 ft 4.6" 8.4" 6 720 607 030...
  • Page 11 Nominal Iron Pipe Internal Size, Diameter inches inches 0.364 0.493 0.622 0.824 1.049 1 1/4 1.380 1050 1 1/2 1.610 1600 1100 2.067 3050 2100 1650 2 1/2 2.469 4800 3300 2700 3.068 8500 5900 4700 4.026 17,500 12,000 9,700 8,300 6 720 607 030 Length of Black Iron Pipe, Feet 1450...
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  • Page 13: Lighting Instructions

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  • Page 14 The AquaStar 125B burners are activated by a water flow valve. Numerous water related problems can cause this water valve to malfunction such as: Insufficient water flow volume to activate the burners at its minimum flow requirement; Dirt in the water flow valve causing it to malfunction; Sediment build-up in faucet aerators, or shower heads;...
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  • Page 16 Any sign of moisture It is extremely important for a tankless instantaneous water heater to have the right size gas line to obtain the correct gas pressure 6 720 607 030...
  • Page 17 Do not add any flow restrictor to the shower head. 6 720 607 030...
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  • Page 20: Interior Components Diagram & Parts List

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  • Page 22 06.03 6 720 607 030...
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  • Page 24 Replacement Parts available from North American Distributor CONTROLLED ENERGY CORP. 340 Mad River Park Waitsfield, Vermont 05673 Phone 800-642-3111 Fax (802) 496-6924 www.controlledenergy.com/tech techsupport@controlledenergy.com Recycled paper † † † † & † VULCANO Termodomésticos S.A. Estrada de Cacia 3801 - 856 Aveiro - PORTUGAL †...

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125b ng