NTI Boilers Firetube Boiler 95% AFUE 5:1 Turndown, 60k-Input, 56k-Gross Output, 128 lbs, Water Content-3.2 gallons, 1" MPT Heating Connections, 1/2" FPT Gas Connection, 2" or 3" Vent Size, Dimensions-14-1/2"D x19-3/4"W x33-3/8"H
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Brand: NTI
Vent Type: Direct
Voltage Rating: 120 VAC
Series: Trinity Fire Tube
AFUE Rating: 95 %
Type: High Efficiency
Fuel Type: Liquid Propane/Natural Gas
Connection Type: 1 in MNPT Water/1/2 in MNPT Gas
Input Capacity: 17000 to 60000 Btu/hr
Easy to install and maintain|Down-fired|Fire Tube stainless steel boiler|Top and bottom supply/return piping made from robust stainless steel|Certified internal low water cut-off with test button|Condensate pump receptacle|Built-in gas drip leg|Wall-mount configuration with optional floor stand|Top vent/air inlet connections with test port|On/off power service switch|High quality metallic clear coat finish|High energy spark ignition (with external spark generator)|Advanced solar controller|Detailed troubleshooting information (self-diagnostic display)|Internal lead-lag capability to cascade up to 8 boilers|Outdoor reset temperature operation increases boiler and system efficiency|Ability to control three separate temperature set points|Comes standard with Modbus capability|DHW and central heat modulation limiting|Ability to control three separate pumps 4 to 20 m