Unvented hot water systems : a list of competent installers in Scotland and Northern Ireland who are eligible to install and maintain unvented hot water systems /
Association of Installers of Unvented Hot Water Systems (Scotland and Northern Ireland)
Scottish and Northern Ireland Plumbing Employers' Federation.
Edinburgh : Association of Installers of Unvented Hot Water Systems,
1998.
On cover: Scottish and Northern Ireland Plumbing Employers Federation.
Plumbers
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