The Tx high-efficiency stainless steel heating boiler is easy to install and maintain, and has proven reliability by the most used and tested technology worldwide. The user-friendly programmable display, fully packaged and wired assembly, and easy to clean heat exchanger make this ...The Tx high-efficiency stainless steel heating boiler is easy to install and maintain, and has proven reliability by the most used and tested technology worldwide. The user-friendly programmable display, fully packaged and wired assembly, and easy to clean heat exchanger make this unit a popular choice for homeowners and contractors.FeaturesCertified to ANSI Z21.13 / CSA 4.9 Gas-fired Boiler Standard - ASME H stamped boiler, designed and constructed in compliance with the ASME Boiler and Pressure Vessel Code Section IVMaximum operating pressure 50 psi [344.7 k - Pa]SA-268 S43940 Stainless Steel Heat Exchanger - Modulating burner, 8:1 turndown ratio - Direct Spark Ignition - Instantaneous domestic hot water - Wall (standard) or floor mounting (w/ opt.
kit, NTI part # 84630)Zero clearance to combustibles151-199 MBH [151,000-199,000 BTU]Field conversion from Natural Gas (factory) to Propane - Optional Sidewall vent kits120VAC outlet for condensate pump - On/Off switch Specs - Input power, DHW (MBH): 25 - 199Input power, Heating (MBH): 24.9 - 120 Net AHRI Rating (MBH): 96 AFUE (%): 95Water Connections (NPT): 1 in female (sweat joint)Gas Connection (NPT): 12 in NPT female - DHW Connections: 34 in NPT male - Heating capacity (MBH: 111Air Inlet: 3 in (max 100 ft)Flue: (3 in (max 100 ft)Downloads - Specification Sheet