The training will cover all you need to, Install, commission service, and repair domestic gas central heating/hot water boilers and circulators up to 70 kW and gas instantaneous water heaters.
Initial Training and/or Assessment:
Current CCN1 Core Domestic Gas Safety certificate
Current CPA1 (this may be included in your CCN1)
You need to have held a previous CENWAT which has not been expired for over 1 year.