Biasi Prima 24 SE-HELP!!! How do I top up it???? Have looked at user / install manuals on the Biasi site but...

Have looked at user / install manuals on the Biasi site but cant find where on earth Im supposed to put the hose on between th water supply pipe and the c/hj return pipe..also solitary has one pale taqp (gas?) and blue tap .if anyone can help out id appreciate it-either that or anyone know a fully clad cheap (honest) plumber in the southend on deep-sea area?
Is this electric cooker past the worst to...
Answers:    The innards loop should be located somewhere under the boiler,not on it.
What can i do! Company wont come rear?
It must hold a filling loop somewhere on the pipework, look inside any cupboards lower than or near the boiler.Most fully clad instalers would fit one where it is accessible.