AquaStar 125B NGS specifications Diagram of AquaStar 125 BS

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Fig. 10 - Diagram of AquaStar 125 BS

3

2

5

1.Heat exchanger

2.Pilot assembly

3.Burner manifold gas pressure test nipple

4.Main gas burner

5.Pilot gas tubing

1

4

6

7

8

9

10

6.Gas valve

7.Piezo igniter

8.Location of pressure tap screw

9.Water valve

10.Gas inlet gas pressure test nipple

6 720 606 518

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Image 17

Contents Table of Contents For Your SafetyRequired Natural Gas Pressure at inlet tap FeaturesUnpacking the Aquastar Heater TOP a Front B Back Sides Floor C Vent Diameter Front View Side ViewModel 125BS General Rules to Follow For Safe Operation Proper Location for Installing Your HeaterClearances Combustion AIR RequirementsAquastar 125 B S is design certified for mounting on a wall Mounting InstallationFigure a VentingFigure C 720 606 Masonry Chimneys6 Adaptor Used on High Altitude Vent Adaptor for High Altitude InstallationsFor LP GAS GAS Line Sizing For Natural GASMaximum Capacity of Semi-Rigid ColumnGAS Line Sizing Maximum Inlet GAS Flow Pressure SettingWater Connections Above 4.500 ft consult your local gas supplierOperating Instructions For Your Safety Read Before Lighting the PilotWhat to do if YOU Smell GAS To Turn OFF GAS to AppliancePilot burner with air screen/ pilot orifice Maintenance and ServiceAir in the Gas Line Pilot Lights but Flame Goes OUT When Button is ReleasedPilot Light will not Light Gas pressure too low Burners do not Ignite When HOT Water is Turned onWater is TOO HOT Water is not HOT EnoughUnbalanced pressure in waterlines HOT Water Temperature Fluctuates / Unit DeactivatedDiagram of AquaStar 125 BS Interior Components Diagram and Parts List Interior Components Diagram Parts List 125BS Flow chart of Aquastar 125 BS General Limited Warranty720 606 720 606 BBT North AMERICA, Waitsfield, VT all rights reserved Bosch Group