FTV Series

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The FTV is a high-efficiency, wall-hung boiler equipped with a vertical fire tube heat exchanger made of industry proven 439 stainless steel. NTI’s user-friendly programmable display and easy to access components makes it easy to install, set up and maintain, while its unique design enables simpler plumbing layouts to keep costs well under control.

Main Features

Built-in primary loop and circulating pump

High performance fire tube stainless steel heat exchanger

Vents in PVC, CPVC or Poly Propylene

Dedicated indirect tank connections

Universal vent connections with embedded test port

Easy to program display

Quick connect components


Input power13.8 – 110 MBH15.4 – 154 MBH
Heating capacity101 MBH141 MBH
Net AHRI Rating88 MBH122 MBH
Installation typeIndoor Wall Hung (rack available for floor standing installation)Indoor Wall Hung (rack available for floor standing installation)
Weight110 lb135 lb
Gas connection1⁄2 in NPT female1⁄2 in NPT female
Water connection1 in NPT male1 in NPT male
Air Inlet2 in (max 100 ft), 3 in (max 150 ft)3 in (max 150 ft)
Flue2 in (max 100 ft), 3 in (max 150 ft)3 in (max 150 ft)