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


