ESSENTIAL: ACS Commercial Gas Tickets (COCN1, CIGA1, CORT1) * ESSENTIAL: ACS Domestic Gas (CCN1, CPA1 etc) * ESSENTIAL: NVQ/C&G level 2/3 in plumbing/mechanical engineering * OFTEC and LPG qualified would be advantageous * Electrical qualifications (17 th /18 th Edition) are desired but not ...