Bosch GWH-425-HN-L - Manual

Bosch GWH-425-HN-L

Bosch GWH-425-HN-L – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – W A R N I N G; I m p r o p e r; WARNING; Do not try to light any appliance.; TABLE OF CONTENTS
  • Page 3 – Principle of Operation:; FEATURES; Do not lose this manual, as there is a charge for replacement .
  • Page 4 – BACK
  • Page 6 – W A R N I N G : F l a m m a b l e m a t e r i a l s , g a s o l i n e ,; COMBUSTION AIR REQUIREMENTS
  • Page 7 – VENTING; Vent pipe connection.; are found on the shipping box, and on; Fig. 3 - Incandescent Particle Tray Illustration; In
  • Page 8 – MASONRY CHIMNEYS; Figure C; : Masonry chimneys shall be built and
  • Page 9 – The heater must be disconnected from; : Failure TO I NCREASE TH E VENT SIZE; Altitude; Above 4.500 ft consult your local gas provider.; ” X 6” ADAPTOR
  • Page 10 – GAS PIPING, CONNECTIONS and Gas Regulator; Length of Black Iron Pipe, Feet
  • Page 11 – OPERATING INSTRUCTIONS; WATER CONNECTIONS; Connecting the pressure relief valve (PRV)
  • Page 12 – It will then shut off; LIGHTING AND OPERATING INSTRUCTIONS; STOP! Read the safety information above on this label.; SETTING THE WATER TEMPERATURE; Temperature Adjustment Knob
  • Page 13 – PILOT ORIFICE
  • Page 14 – NO SPARK AT THE PILOT; Any sign of moisture or
  • Page 18 – - INTERIOR COMPONENTS DIAGRAM AND PARTS LIST
  • Page 20 – - Flow chart of 425 HN
  • Page 21 – Fifteen Year Limited Warranty
  • Page 24 – Estrada de Cacia; CONTROLLED ENERGY CORP.
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Water heaters for use with Natural and L.P.G.

GWH 425 HN

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)

GWH-425-HN-N
GWH-425-HN-L

6

720

607

026

US

(

04.

11)

A

L

Warning:

If the information in this manual is not

followed exac tly, 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.

• Do not try to light any appliance

• Do not touch any electrical switch; do not use any

phone in your building

• If you cannot reach your gas supplier, call the fire

department.

• Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions.

• Installation and service must be performed by a

qualified installer, service agency or the gas supplier.

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Summary

Page 2 - W A R N I N G; I m p r o p e r; WARNING; Do not try to light any appliance.; TABLE OF CONTENTS

2 6 720 607 026 W A R N I N G : I m p r o p e r i n s t a l l a t i o n , adjustment, alteration, service or maintenance can causeinjury or property damage. Refer to this manual. Forassistance or additional information consult a qualifiedinstaller, service agency or the gas supplier.Upon completion ...

Page 3 - Principle of Operation:; FEATURES; Do not lose this manual, as there is a charge for replacement .

3 6 720 607 026 Principle of Operation: When a hot water faucet is opened, the water flow throughthe heater causes the gas valve to open. At the same timethe hydro-generator activates the electronics which sendsa spark to the pilot. The flame sensor confirms the pilot hasbeen lighted and allows the ...

Page 4 - BACK

4 6 720 607 026 MINIMUM INSTALLATION CLEARANCES FROM COMBUSTIBLE AND NONCOMBUSTIBLE MATERIALS FOR ALCOVE OR C LOSET INSTALLATIONS FRONT VIEW SIDE VIEW MODEL 425HN MODEL 425 HN TOP (A) 12" FRONT (B) 4" BACK 0" SIDES 4" FLOOR (C) 12" VENT DIAMETER 5"

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