Bosch Model GWH 425 Manuals

Manuals and User Guides for Bosch Model GWH 425. We have 1 Bosch Model GWH 425 manual available for free PDF download: User Manual

Bosch Model GWH 425 User Manual

Bosch Model GWH 425 User Manual (28 pages)

INDOOR MODEL Flow Modulated with Standing pilot Suitable for heating potable water only -

Brand: Bosch | Category: Water Heater | Size: 2.82 MB

Table of Contents

Table of Contents
2
1 Warning

3
2 Appliance Details

3
4 Operation Instructions

14
- For Your Safety Read before Operating Your Water Heater
  14
- Lighting Instructions
  15
- To Turn off Appliance
  15
- Setting the Water Temperature
  16
- Draining Water from Heater
  16
- Water Valve
  17
- Inspecting Pilot
  17
5 Maintenance and Service

17
- Maintenance Intervals
  17
- Main Burners
  18
- Vent Assembly
  18
- Mineral Scale Build-Up
  18
3 Installation Instructions

19
6 Troubleshooting

19
- Introduction
  19
- Pilot Does Not Light
  19
- Pilot Lights, but Goes out When Button Is Released
  19
- Burners Do Not Light with Water Flow
  20
- Hot Water Temperature Fluctuates at Tap
  20
- Water Is too Hot
  21
- Water Is Not Hot Enough
  21
- Burners Ignite Without Hot Water Flow
  21
- Low Hot Water Pressure
  21
- Noise When Heater Is Running
  21
- When Operating
  22
7 Protecting the Environment

23
8 Interior Components and Diagram Parts List

24
- Components Diagram
  25
- Parts List
  26
9 Fifteen Year Limited Warranty

27

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