Specifications include, but are not limited to: 1. Supply and install 1 modulating and condensing boiler(s) as specified herein. 2. Each boiler shall be factory assembled and tested. Each boiler shall be shipped selfcontained and ready for operation except for connection at the installation site of heating piping, fuel, electrical, combustion air, exhaust venting, condensate drainage and relief valve discharge piping. 3. The boiler shall be capable of operating on natural gas or LP gas. The boiler shall be capable of normal operation and full rated input with natural gas supply pressure between 4 inches w.c. [1.0kPa] and 10.5 inches w.c. [2.6kPa], or LP gas supply pressure between 8 inches w.c. [2.0kPa] and 13 inches w.c [3.2kPa]. The boiler shall be factory set for natural gas and shall include a factory-supplied kit for field conversion to LP gas operation. 4. The boiler shall have a Thermal Efficiency rating of 96%, with a minimum input of 1,400,000 BTU/hr. and a maximum input of 1,344,000 BTU/hr. 5. The boiler shall be certified to the ANSI Z21.13 / CSA 4.9 Gas-fired Boiler Standard. 6. The boiler shall be certified for installation with zero clearance to combustibles and shall be certified for closet and alcove installation when vented in accordance with the manufacturer’s instructions. 7. The boiler stainless steel heat engine shall be designed and constructed in compliance with the ASME Boiler and Pressure Vessel Code Section IV. A permanent nameplate bearing the “H” stamp and National Board registration number shall be attached to the heat engine in a readily viewable location. 8. The heat engine shall have a limited lifetime warranty. All other parts shall have a five-year limited warranty covering defects in materials and workmanship. The warranty period is based on the date of installation. The warranty is subject to the terms and conditions stated in the NTI Limited Lifetime Warranty.
