Gas Boilers

The NTI gas boilers lineup is the widest in the market, allowing our customers to find the right solution for any installation.

TFTN Series

NTI is pleased to offer the next generation of our flagship boiler line. The new…

FTVN Series

The FTVN is a high efficiency, wall hung boiler using a durable, vertical down-fired stainless…

Compass Series

The Compass is a high efficiency, floor mount boiler using a chromium stainless steel vertical…

FTVN Series II

The FTVN Series II is a high efficiency, wall hung boiler using a durable, vertical…

TRX Series

The TRX is a high-efficiency, wall-hung boiler equipped with an Innovative XTRATECH® stainless steel heat…

TRX Series II

The TRX Series II is a high-efficiency, wall-hung boiler equipped with an Innovative XTRATECH® stainless…

TFT Series (Discontinued)

The TFT is the top quality choice for both residential or light commercial applications. The…

Lx Series

For light to heavy commercial applications, the Lx is the ideal option, with its easy…

Vmax Series (Discontinued)

The Vmax Series is equipped with a high-performance down-fired fire tube stainless steel heat exchanger…

FTV Series (Discontinued)

The FTV is a high-efficiency, wall-hung boiler equipped with a vertical fire tube heat exchanger…

Tx Series (Discontinued)

The Tx high-efficiency stainless steel heating boiler is easy to install and maintain, and has…

Tx Combi (Discontinued)

The Tx Combi is the perfect choice for high efficiency water tube combination boiler applications.…

Ti Series (Discontinued)

The superb efficiencies and state-of-the-art combustion systems of the TRINITY mean little heat is wasted,…

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