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NTI Manuals & User Guides

Leading manufacturer of high-efficiency gas condensing boilers and commercial heating systems.

Tip: include the full model number printed on your NTI label for the best match.

About NTI manuals on Manuals.plus

NTI (NTI Boilers Inc.) is a recognized leader in the hydronic heating industry, headquartered in Saint John, New Brunswick, Canada. Specializing in high-efficiency gas condensing boilers, NTI manufactures trusted product lines such as the FTVN, TRX, and Compass series, providing robust heating and domestic hot water solutions.

With a focus on Canadian innovation, NTI products are designed for durability, ease of installation, and connection via the NTI NET remote platform.

Note: This brand profile primarily covers NTI Boilers. However, manuals for Network Technologies Inc. (IT/AV extenders and monitors) may also be listed here due to the shared acronym.

NTI manuals

Latest manuals from manuals+ curated for this brand.

NTI USB2-C5-4LC Port Extender User Manual

November 12, 2025
NTI USB2-C5-4LC Port Extender INTRODUCTION Congratulations on your purchase of the USB 2.0 4-Port Extender. This USB.2.0 4-Port Extender is capable of sending USB signals across a Cat 5/5e/6 cable…

NTI Trinity Lx-WH Water Heater Installation and Operation Manual

Installation and Operation Manual
Comprehensive installation and operation manual for NTI Trinity Lx-WH series high-efficiency gas water heaters (models Lx200WH through Lx800WH). Covers general requirements, specifications, installation, venting, gas piping, wiring, maintenance, and troubleshooting.

NTI Vmax Boiler Installation and Operation Manual

Installation and Operation Manual
Comprehensive installation and operation manual for the NTI Vmax Boiler models VM110, VM110P, VM153, and VM153P. Covers specifications, installation, venting, safety, troubleshooting, and maintenance.

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NTI video guides

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NTI support FAQ

Common questions about manuals, registration, and support for this brand.

  • How often should I perform maintenance on my NTI boiler?

    NTI recommends scheduling annual maintenance with a qualified service technician to ensure the boiler operates safely and efficiently.

  • Can I convert my NTI boiler from Natural Gas to Propane?

    Yes, most models are factory configured for Natural Gas but can be converted to Propane using the specific conversion kit supplied with the boiler. This conversion must be performed by a licensed professional.

  • How do I connect my boiler to Wi-Fi?

    For NTI NET enabled boilers (like the FTVN or TRX series), use the NTI NET mobile app. On the boiler display, navigate to the Connectivity Menu to configure the network, then follow the app instructions to pair via 2.4 GHz Wi-Fi.