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OWNER’S 

GUIDE

Electric and Gas Storage Water Heaters

Safety Information 
Owner’s Information 
Warranty

Models

Electric Storage Water Heaters: 

25THMS124P | 25THMS136 

50THMS124P | 50THMS136 

80THM136 | 125THM118 | 125THM136 

160THM124 | 160THM136 | 250THM136 

315THM136 | 400THM136
Gas Storage Water Heaters: 

135THMB4N | 135THMB4P 

170THMB4N

Note – an ‘H’ at the end of the model 

number indicates that the water heater  

has been pre-fitted with a hard-water  

anode (not available in all models).

Summary of Contents for 125THM118

Page 1: ...r Heaters 25THMS124P 25THMS136 50THMS124P 50THMS136 80THM136 125THM118 125THM136 160THM124 160THM136 250THM136 315THM136 400THM136 Gas Storage Water Heaters 135THMB4N 135THMB4P 170THMB4N Note an H at the end of the model number indicates that the water heater has been pre fitted with a hard water anode not available in all models ...

Page 2: ...ner s Guide Electric and Gas Storage Water Heaters Specifications and materials may change without notice Effective for all Thermann Electric and Gas Storage Water Heaters manufactured and sold after 1st July 2016 ...

Page 3: ...allation Requirements 2 Safety Information 3 Water Supply and Connection 6 Lighting Gas Water Heaters 7 Filling Shut Down and Draining 8 System Maintenance 9 Considering a Service Call 10 Warranty 11 CONTENTS ...

Page 4: ...use a licensed person to install your water heater and ask for your Compliance Certificate Location Your water heater should be located as close as possible to the most frequently used hot water outlet Ensure the compliance plate and associated warnings are clearly visible Your water heater must be accessible without the use of a ladder or scaffold Adequate clearance must be available for service ...

Page 5: ...ked RELIEF VALVE The drain line from this valve must not be sealed or blocked The PTR Valve rating is shown on the compliance plate The valve must not be tampered with or removed Your water heater must not be operated unless this valve is fitted and in working order The PTR Valve should be checked by a licensed tradesperson for adequate performance or replaced at intervals not exceeding 5 years or...

Page 6: ...e operating nearby If hydrogen is discharged through the tap it will probably make a sound similar to air escaping Electric Storage Water Heaters Electric storage water heaters are designed for single phase 240V a c supply only The electrical connection must comply with Local Supply Authority Regulations and AS NZS 3000 Any electrical covers should be removed only by a licensed tradesperson and on...

Page 7: ...ters are fitted with a gas control valve As well as acting as a thermostat the gas control valve is fitted with over temperature energy cut outs The gas control valve must not be tampered with or bypassed Replacement of the gas control valve must only be carried out by a licensed tradesperson or the manufacturer Your water heater must not be operated unless the gas control valve is fitted and in w...

Page 8: ...turation index If the water saturation index is greater than 0 40 an expansion control valve should be fitted If the index is greater than 0 80 the electrical heating element fitted to electric storage water heaters should be replaced with a low power density Incoloy heating element Please consult Customer Service on 1300 412 612 for advice if required Hot Water Connection It is recommended that a...

Page 9: ...ed repeatedly press the igniter button for up to 40 seconds until the pilot flame ignites Note it is not possible to depress the control knob fully if the gas control valve has activated its safety shutoff feature In this case wait sixty 60 seconds for the gas control valve to reset 6 Keep the control knob depressed for twenty 20 seconds after the pilot flame lights Use a mirror to observe the pil...

Page 10: ...er the lever gently and check it closes correctly Shutting Down a Gas Storage Water Heater 1 Remove the access cover and turn the control knob to the off position 2 Turn off the gas isolation valve Never turn off the gas supply without turning the control knob to the off position first 3 Turn off the cold water supply isolation valve 4 Replace the access cover Draining the Water Heater 1 Turn off ...

Page 11: ...Water Heaters This service should only be carried out by a licensed tradesperson The service should include the following Inspect and flush the PTR Valve and expansion control valve if installed Check the spark gap gas control valve and thermocouple Check and if necessary adjust the main burner pressure Clean and check the main burner and the pilot light Five Year Service All Water Heaters This se...

Page 12: ...rrect size water heater for your requirements Sizing details are available from your local Reece branch Is there a leaking hot water pipe or dripping hot water tap A small leak can waste a large quantity of hot water Replace faulty tap washers and have your plumber rectify any leaking pipe work Is the Pressure Temperature Relief Valve discharging too much water See below Continuous Trickle of Wate...

Page 13: ...ure of the storage tank for a further period of six years Conditions apply see below During this period Dux will provide a replacement water heater free of charge Installation and other labour costs are the responsibility of the owner Warranty Conditions The warranty only applies to the water heater itself and the components supplied with the water heater by Dux The warranty does not cover compone...

Page 14: ...aims for damage to furniture carpets walls foundations or any other consequential loss either directly or indirectly due to defects of any kind in the water heater will only be met by Dux where the damage could be considered reasonably foreseeable and the water heater was installed in accordance with the installation instructions and all relevant statutory requirements The Australian Consumer Law ...

Page 15: ...Provide your full name address and contact number Provide proof of date of installation for warranty to commence from that date rather than from the date of manufacture See Commencement of Warranty on page 12 Please note if the defect or fault is not covered by the warranty or guarantee you will be responsible for the costs incurred by the service agent or technician Contact Details Dux Manufactur...

Page 16: ...028044 Rev C ...

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