Certificate of Compliance Certificate: 2283930 Master Contract: 201986 Project: 2735760 Date Issued: July 23, 2014 Issued to: Cosmogas Srl. Via Leonardo Da Vinci, 16 Meldola (FO), Forlì 47014 Italy Attention: Andrea Alessandrini The products listed below are eligible to bear the CSA Mark shown with adjacent indicators 'C' and 'US' for Canada and US or with adjacent indicator 'US' for US only or without either indicator for Canada only. Colin Moorhouse Issued by: Colin Moorhouse LLC PRODUCTS CLASS 6853 01 - LOW LEAD CONTENT CERTIFICATION PROGRAM - PLUMBING PRODUCTS Combination Boilers for space heating and domestic hot water: Brand Cosmogas, models: 45WN; 45WE; 45AN; 45AE; SKYDENS; CSG-160C; CSG-160OC; CSG-160B; CSG-160OB Brand Embassy, models: OX-160C; OX-160OC; OX-160B; OX-160OB Brand Smith, models: GC-160C; GC-160OC; GC-160B; GC-160OB Brand Peerless, models: PC-160C; PC-160OC; PC-160B; PC-160OB Brand SpacePak, models: SS-160C; SS-160OC; SS-160B; SS-160OB Brand Cosmogas, models: AGUADENS (199T, 250T, 399T, 500T, 750T, 1000T ) DQD 507 Rev. 2012-05-22 Page: 1 Certificate: 2283930 Master Contract: 201986 Project: 2735760 Date Issued: July 23, 2014 APPLICABLE REQUIREMENTS NSF/ANSI 372-2010 – Drinking water system components - Lead Content Note: Products certified to NSF/ANSI 372 conform to the requirements for "lead free" plumbing products as defined by California, Vermont, Maryland and Louisiana state laws and by Section 1417 of the US Safe Drinking Water Act. DQD 507 Rev. 2012-05-22 Page: 2 Supplement to Certificate of Compliance Certificate: 2283930 Master Contract: 201986 The products listed, including the latest revision described below, are eligible to be marked in accordance with the referenced Certificate. Product Certification History Project Date Description 2735760 Jul 23, 2014 2685743 Dec 10, 2013 2671196 2283930 Oct 25, 2013 Apr 26, 2010 Update Report 2283930 to reflect updated construction of AGUADENS models (199T, 250T, 399T, 500T, 750T and 1000T). Class 6853 01 – Update Report 2283930 to add the following Cosmogas model: AGUADENS (199T, 250T, 399T, 500T, 750T and 1000T). Report update to the Applicable Requirements Original certification for Boilers to the requirements of California and Vermont Low Lead. DQD 507 Rev. 2012-05-22 Page: 1