Bosch Hot Water and Heating
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Hot water re-invented by Bosch
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Frequently Asked Questions
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I have installed a Bosch water heater but it is not operating. What can Bosch do?
Contact Bosch and we will discuss the installation and review against our installation check list.
Where can I get technical assistance on installing Bosch water heaters?
Each Bosch water heater comes with a set of installation and operating instructions which should provide the necessary information.
Can Hydropower products be installed as storage hot water boosters or solar boosters?
No. The reason is that boosters for storage tanks and solar systems need to be able to measure the incoming water temperature.
Where should the pressure limiting valve be installed?
The pressure limiting valve should be installed no closer than 3 meters from the appliance.
The customer is experiencing a problem with the performance and operation of the appliance after a period of use. What action should be taken?
Based on the description of the fault the customer is experiencing, the customer may need to check if the fault is due to installation or manufacturing.
As the installing plumber, am I required to provide a certificate of compliance upon installation?
Yes. Any installation of a gas appliance requires a certificate of compliance to be provided to the householder.
Is a pressure limiting valve recommended to be installed?
Pressure limiting valves should be installed where the measured water pressure is within 30% of the maximum rating of the appliance.
What gas size piping do I use?
The gas supply line needs to be sized in accordance with AS5601 (Gas installation standard).
What isolating and control valves should I use when installing a Bosch water heater?
Full flow water isolating valves should be installed on the cold water inlet to the appliance.
Are Bosch hot water heaters suitable for all water conditions?
No, not for all water conditions.
Can I get training on the installation of Bosch water heaters?
Bosch offers training on the installation and operation of our water heaters.
I have found a suitable position for the hot water unit to be installed, but I would like to make the water heater less obvious.
Bosch has a range of Highflow accessories, including fully enclosed recess boxes, semi–enclosed recess boxes, and pipe covers.
Can the home-owner/end-user perform a service on the Bosch water heater themselves?
No. Gas safety standards and state based regulations require that only qualified service technicians work on gas appliances.
I would like to have a safety check and service on my Bosch hot water unit. Who is the most suitable person to service my appliance?
Bosch has a comprehensive network of Authorised Service Agents around Australia, each of whom will be able to service your water heater.
I have had a problem with my water heater, and the service technician says it was caused by vermin. What can I do?
Bosch external water heaters are designed to be installed outside.
We appear to be using more gas than expected. What can we check?
There is not really anything a consumer can check other to see if there may be a smell of gas around the water heater.
Should Bosch Hot Water heaters be inspected and serviced?
Yes - Bosch hot water heaters should have a full service, safety, and performance check carried out at least every 2 years.
My Bosch water heater sometimes operates when we flush the toilet or use another cold water fixture.
Flushing the toilet or using another cold water fixture will sometimes cause movement of water through the water heater.
The water heater temperatures and flow fluctuate, what does this mean?
The temperature and flow rate fluctuations could be caused by a number of things.
Can a camping/BBQ bottle be used to supply LPG gas to a Bosch hot water unit?
No. This is not a suitable size bottle for any of our appliances. A minimum of one 45kg bottle would be required.
My Bosch Highflow is connected to LPG and when I run out of gas I have to reset the water heater. Is this normal?
Yes. In most cases, LP gas is supplied from cylinders located on the customer’s premises.
How do I work out what size LPG bottles are required to meet my demands?
Your plumber will be able to measure the gas load of all appliances and work out the appropriate gas supply necessary.
Is it better to use an auto changeover or manual changeover valve when my Bosch hot water unit is connected to LPG bottles?
An auto changeover system is preferable as this ensures you have continuous supply of LP gas.
Are Bosch hot water units suitable for all water conditions?
No, not for all water conditions.
Are Bosch water heaters solar compatible?
Current Highflow water heaters with ‘H’ in the part number are suitable for installations involving solar input.
Is a Certificate of Compliance required for all installations of a Bosch water heater?
In most situations a Certificate of Compliance is required.
Must a plumber install a Bosch hot water heater?
Yes. Only suitably qualified plumber/gasfitters are permitted to install gas hot water heaters.
Do Bosch hot water units require a 240 volt power outlet to operate?
The Highflow range of water heaters, including the Eco+ and Bosch 32 models, all require 240 volts to operate.
Can Bosch advise if an internal or external water heater would best suit my location?
Your local licensed plumber/gasfitter will be able assess your hot water requirements and suggest the appropriate model for your application.
Are Bosch water heaters suitable for internal and external applications?
Bosch has an extensive range of Continuous Flow water heaters which includes models suitable for internal and external installation.
Where is the most suitable location to install a Bosch water heater?
A hot water heater should be installed as close as possible to the most frequently used hot water point.
What should I do if I have an issue with the performance of my water heater and it is within the warranty period?
Telephone Bosch Hot Water on 1300 30 70 37 to explain what problems you are experiencing with your water heater.
What is covered by the manufacturer’s warranty?
Bosch warranty covers manufacturing defects that may occur with the appliance
What is the warranty period on my Bosch hot water heater?
Each product has a warranty which covers any manufacturing faults.
I have misplaced the instructions for my appliance. How do I obtain another copy?
Installation and operation manuals for Bosch water heaters can be found on the Bosch Climate website.
Where can I purchase Bosch hot water heaters?
Most plumbing and trade stores will be able to sell you a Bosch Hot Water system.
