This Commissioning Checklist is to be completed in full by the competent person who commissioned the water heater as a means of
demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference
Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the
warranty. This does not affect the customer’s statutory rights.
GAS FIRED CONTINUOUS FLOW WATER HEATER COMMISSIONING CHECKLIST
Customer name: Telephone number:
Address:
Water Heater Make & Model:
Serial Number:
Commissioned by (PRINT NAME): Gas Safe Register Number:
Company name: Telephone number:
Company address:
Commissioning date:
To be completed by the customer on receipt of a Building Regulations Compliance Certicate*:
Building Regulations Notication Number (if applicable)
CONTROLS
Is there a separate temperature control tted Yes No
Have they been explained to the customer Yes No
Has the Appliance been set to the required MAX temp. Ye s No
If NO has the Appliance been set to the required temp. Ye s No
SYSTEM
Is there a lter on the incoming mains Yes No
Is the system on a secondary return Yes No
Has an unvented kit been installed Yes No
If yes please record Safety Valve Size and rating Size Rating
Does the discharge pipe comply with current building regulations Yes
Please record location of Pressure Reducing Valve
Pressure Reducing Valve Setting
Expansion Vessel Size
Expansion Vessel Charge Pressure
Has the system been installed with a storage vessel Yes No
DOMESTIC HOT WATER MODE
Gas Rate at High Fire m³/hr ft³/hr
Burner Pressure Lo mbar Hi mbar
Inlet Pressure Dynamic at Hi Fire and all other appliances running mbar
Inlet water temp °C
Water Heater Set Temperature °C
Maximum Flow Rate Achieved L/min
Is the installation in a hard water area (above 150mg/L) Yes No
If Yes What Type of Scale Reducer has been Fitted
Hot Water checked at all outlets Yes Temp °C
FLUEING
What type of water heater is tted Internal External
EXTERNAL is the unit mounted fully outside Yes No
If NO explain in detail where the appliance is mounted
INTERNAL does the ueing comply with current standards Yes No
If the ueing to manufacturers instructions Yes No
CONDENSING WATER HEATERS ONLY
Has the condensate drain has been installed as per manufacturers instructions and/or BS5446/BS6798 Yes No
FULL INSTALLATION
Record the following:
At max rate: CO ppm and CO/CO2 Ratio
At min. Rate: (where possible) CO ppm and CO/CO2 Ratio
Does the hot water system fully comply with the appropriate Building Regulations Yes
The water heater and associated products have been installed and commissioned in accordance with all manufacturers instructions Yes
The full operation of the water heater and any controls have been demonstrated to and understood by the customer Yes
The manufacturers literature including Benchmark Checklist and Service Record, has been explained and left with the customer Yes
Commissioning Engineer’s Signature
Customer’s Signature
(To conrm satisfactory demonstration and receipt of manufacturer’s literature)
* All installations in England and Wales must be notied to Local Authority Building Control (LABC) either directly or through a
Competent Persons Scheme. A Building Regulations Compliance Certicate will then be issued to the customer.
© Heating and Hotwater Industry Council (HHIC)
www.centralheating.co.uk
It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed.
instructions. Always use the manufacturer’s specied spare part when replacing controls.