Registered Tester Full List

4 Plumbing Contractor does not have a current City of London Plumbing Contractor Business License - can test devices only, any installations, repairs or replacement of devices must be performed by a qualified Plumbing Contractor licensed with the City of London. [...] 4 Plumbing Contractor does not have a current City of London Plumbing Contractor Business License - can test devices only, any installations, repairs or replacement of devices must be performed by a qualified Plumbing Contractor licensed with the City of London. [...] 4 Plumbing Contractor does not have a current City of London Plumbing Contractor Business License - can test devices only, any installations, repairs or replacement of devices must be performed by a qualified Plumbing Contractor licensed with the City of London. [...] 4 Plumbing Contractor does not have a current City of London Plumbing Contractor Business License - can test devices only, any installations, repairs or replacement of devices must be performed by a qualified Plumbing Contractor licensed with the City of London. [...] 4 Plumbing Contractor does not have a current City of London Plumbing Contractor Business License - can test devices only, any installations, repairs or replacement of devices must be performed by a qualified Plumbing Contractor licensed with the City of London.