Bosch 125B LP Specifications download pdf (Page 8)

6 720 644 951 (2014/11) 330 PN

8 | Appliance details

3.2 Unpacking the 330 PN heater

This heater is packed securely.

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 the cover.

Fig. 2 Rating plate

[A] Serial number

[B] Type of gas

The box includes:

• Mounting screws

• Product registration card

• Installation manual

• Incandescent particle tray

Do not lose this manual, there is a charge for a replacement.

Please complete and return the enclosed product registration

card.

The 330 PN is not approved or designed for:

• Manufactured (mobile) homes, RV's or boats

• Heating or other recirculating/pumping applications*

• Solar/preheat backup or high temperature booster use

• Installation in a bathroom or other occupied rooms

normally kept closed.

* This includes domestic hot water circulator pump loop

systems that may be installed in home hot water system prior to

installing this unit. An approved recirculation design can be

found in chapter 4.10.

3.3 General rules to follow for safe operation

1. You should follow these instructions when you install your

heater. In the United States: The installation must conform with

local codes or, in the absence of local codes, the National Fuel

Gas Code ANSI Z223.1/NFPA 54.

In Canada: The Installation should conform with CGA

B149.(1,2) INSTALLATION CODES and /or local installation

codes.

2. Carefully plan where you install the heater. Proper

clearances must be followed.

3. The appliance must be isolated from the gas supply piping

system by closing its individual manual gas shutoff valve (not

supplied with heater) during any pressure testing at pressures

in excess of ½ Psig (3.5 kPa).

The appliance and its gas connection must be leak tested

before placing the appliance in operation.

4. Keep water heater area clear and free from combustibles

and flammable liquids. Do not locate the heater over any

material which might burn.

5. Correct gas pressure is critical for the optimum operation

of this heater. Gas piping must be sized to provide the required

pressure at the maximum output of the heater, while all the

other gas appliances are in operation. Check with your local gas

supplier, and see chapter 4.7 and 4.8 to verify proper gas line

sizing.

6. Should overheating occur or the gas supply fail to shut off,

turn off the gas supply at the manual gas shut off valve, on the

gas line. Note: manual gas shutoff valve is not supplied with the

heater.

7. Do not use this appliance if any part has been underwater.

Immediately call a qualified service technician to inspect the

appliance and to replace any part of the control system and any

gas control which has been underwater.

BOSCH is constantly improving its products,

therefore specifications are subject to

change without prior notice.

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Bosch 125B LP Specifications Page 8

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