Description
Product Features:
• WIFI remote connectivity embedded
• Wall mounted
• Certified to ANSI Z21.13 / CSA 4.9 Gas-fired Boiler Standard
• SA-240 S43932 Chromium Stainless Steel Fire Tube Heat
Exchanger
• ASME “H” stamped boiler, designed and constructed in
compliance with the ASME Boiler and Pressure Vessel Code
Section IV
• Zero clearance to combustibles (clearances required for
service)
• Modulating burner, 10:1 turndown ratio
• Certified as Direct Vent (sealed combustion) or for use with
indoor combustion air
• Sealed cabinet
• High energy ignition transformer (spark ignition)
• Built-in water pressure bypass (guarantees minimum water
flow)
• Low water pressure switch
• Integrated ECM boiler circulator
• Integrated 3-way valve (diverts between DHW & CH
demands)
• Integrated Condensate Trap
• On / Off button
• 120 VAC output for external CH circulator
• Built-in DHW flow sensor, w/serviceable filter
• Built-in DHW brazed plate heat exchanger
• CH zone input x 2 (ON/OFF switch or NTI Room Sensor)
• Outdoor temperature sensor input (or access weather via WIFI
connection)
Control Features:
• Integral microprocessor safety control – flame
safeguard and temperature
• TEST Mode – for combustion setup
• PURGE cycle – for air purging
• AUTO function (outdoor/indoor reset) – resets boiler
temperature depending on outdoor and/or room
temperature
• Adjustable reset curve (slope/parallel shift)
• Adjustable reset temperature boost
• Summer/Winter changeover (WWSD)
• Integrated programmable T-stat x 2
(with optional NTI Room Sensors)
• Freeze protection
• Factory settings restore option
• Cascade up to 8 FTVN-series boilers
• Selectable DHW Preheat feature
• Adjustable post purge timer
• Adjustable ignition delay timer
• Manual mode operation (pump/fan/diverter)
• Boiler statistics
• Lockout and error history
• Optional 0-10V / 4-20mA input clip-in module
• Optional NTI 3-Zone Pump/Valve Controller
• Optional NTI Room Sensor
Specifications
Installation: Indoor, Wall Hung, Fully Condensing
Type: Combi
Minimum / Maximum Input (Btu/Hr.): 19,900 / 199,000
AFUE: 95%
Heating Capacity, (MBH): 184
Net AHRI Rating, Water (MBH): 160
Gas Supply Pressure: 3.5” to 10.5” WC
- 35F Rise: 10.5
DHW Flow - 45F Rise: 8.2
- 77F Rise: 4.8
Boiler Water Content (Gal): 2.7
Ignition System: Direct Electronic Spark Ignition / Flame Rectification
Burner System: Premixed Fuel Modulation / Stainless Steel Burner
Gas Valve System: Air Ratio Valve
Gas Connection, NPT: 3/4” (Male)
(PSI) Heat Exchanger MAWP: 50
(PSI) Pressure Relief Valve: 30
(PSI) DHW Max Pressure: 150
