NTI Manuals & User Guides

NTI NC085-199 Series Gas Standing Condensing Boiler Instruction Manual

February 26, 2026

NC085-199 Series Gas Standing Condensing Boiler Product Specifications: Model: NC085-199(C) COMPASS Type: Gas-standing condensing boiler Model Type: 04-2024 Product Usage Instructions: 1. Exchanger Block Replacement: To replace the exchanger block, follow these steps: Locate the exchanger block (Part No.…

Brand: NTI

NTI FTVN C Series II Gas Wall Condensing Boilers Instruction Manual

December 25, 2025

NTI FTVN C Series II Gas Wall Condensing Boilers Product Specifications Model: FTVN (C) SERIES II Model Types: FTVN085, FTVN110, FTVN110C, FTVN150, FTVN150C, FTVN199, FTVN199C Gas-wall condensing boilers Manufacturing Date: 17/10/2025 Product Usage Instructions Exchanger Block Installation Locate the exchanger…

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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 up to 50 meters at data rates of High Speed…

Brand: NTI

FTVN Series II Residential Condensing Gas Boiler Installation Guide

April 10, 2025

FTVN Series II Residential Condensing Gas Boiler Product Specifications Model: TRX/FTVN Series ii Boiler Models: TRX150, TRX199, TRX199C, FTVN085, FTVN110, FTVN110C, FTVN150, FTVN150C, FTVN199, FTVN199C Installation Type: Residential Condensing Gas Boiler STEP 1 Before Installing This product must be installed…

Brand: NTI

NTI TRX FTVN Series II Compass Floor Mount User Guide

April 10, 2025

TRX FTVN Series ii COMPASS Floor MountNTI NET Quick Start Guide Residential Condensing Gas Boiler compatible with - TRX / FTVN SERIES II - COMPASS FLOOR MOUNT ACCOUNT CREATION AND LOGIN A. Create account Download the app for free from Apple…

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NC085 COMPASS Residential Condensing Gas Boiler Installation Guide

April 8, 2025

NC085 COMPASS Residential Condensing Gas Boiler Product Usage Instructions This product must be installed and serviced by a licensed professional. Failure to do so may result in damages or defects. Ensure compliance with all safety standards and codes. Do not…

Brand: NTI

NTI TRX Series II 3 Zone Control Module Instruction Manual

December 2, 2024

NTI TRX Series II 3 Zone Control Module Overview The N-Link (3-Zone Control Module) is a specialized, NTI accessory product that enables the control of up to (3) additional heating zones when installed with compatible NTI boilers: For TRX Series…

Brand: NTI

NTI TRX150 Series Independent Mechanical Supply Instruction Manual

September 19, 2024

NTI TRX150 Series Independent Mechanical Supply Specifications Models: TRX150, TRX199, TRX199C Conversion Kit No.: 560001000100, 560001000200 LP Diaphragm Size: 5.7 mm Part Number: 420022002700 - Rev. 02 - 031324 FAQs Q: Can these instructions be used for models other than…

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NTI PLUS Kit S20W to TRX/FTVN Piping Kit Installation Guide

September 12, 2024

Installation Instructions PLUS Kit S20W to TRX/FTVN Piping Kit Overview: The PLUS Kit is designed to easily connect an NTI S20W Indirect Water Heater (IWH) to an NTI FTVN or TRX150/199 noncombi boiler, without the need for cutting, threading or…

Brand: NTI

NTI TRX150 Low Loss Header Kit Instruction Manual

September 8, 2024

NTI TRX150 Low Loss Header Kit Overview The LLH Kit is designed to easily connect to an NTI FTVN or TRX150/199/199C boiler, without the need for cutting, threading, or soldering, to form the primary loop for the boiler. The kit…

Brand: NTI

NTI Trinity Lx-WH Water Heater Installation and Operation Manual

Installation and Operation Manual • April 29, 2026

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.

Brand: NTI

NTI TRX/FTVN Series II Residential Condensing Gas Boiler Installation Quick Guide

Installation Quick Guide • April 23, 2026

A quick guide for the installation of NTI TRX and FTVN Series II residential condensing gas boilers, covering unpacking, location requirements, mounting, venting, plumbing, gas connections, wiring, and user interface.

Brand: NTI

NTI Gas-Wall Condensing Boilers TRX150, TRX199, TRX199C Spare Parts Exploded View

Parts List • April 16, 2026

Detailed spare parts list and exploded view diagrams for NTI TRX150, TRX199, and TRX199C gas-wall condensing boilers, including part numbers and model compatibility.

Brand: NTI

NTI Trinity Tft/Lx/Lx-WH Firetube Giant FTG Controller and Touchscreen Display Manual

Technical Manual • April 4, 2026

This technical manual provides comprehensive guidance for the NTI Trinity Tft, Lx, Lx-WH, and Firetube Giant FTG series controllers and their integrated touchscreen displays. It covers system configuration, operation, diagnostics, and safety protocols for hydronic heating systems.

Brand: NTI

NTI TRX/FTVN Series II COMPASS Residential Condensing Gas Boiler Cascade System Installation Instructions

Installation Guide • April 3, 2026

Detailed cascade system installation instructions for NTI TRX/FTVN Series II COMPASS residential condensing gas boilers. This guide, intended for qualified installers, covers piping, setup, configuration, and troubleshooting for multi-boiler setups, complementing the primary installation manual.

Brand: NTI

ST-FODP14-MPO-200M: 8K DisplayPort 1.4 Extender User Manual - NTI

user manual • March 22, 2026

User manual for the NTI ST-FODP14-MPO-200M, an 8K DisplayPort 1.4 extender supporting up to 200 meters via MPO multimode fiber optic cable. Features include Ultra-HD resolutions, DP 1.4, HDCP compliance, and Plug-n-Play setup.

Brand: NTI

NTI TFTN Natural Gas to Propane Gas Conversion Instructions

Installation Guide • March 7, 2026

Detailed instructions for converting NTI TFTN series boilers (TFTN085, TFTN110, TFTN150, TFTN199) from Natural Gas to Propane Gas, including safety information, installation steps, and calibration procedures.

Brand: NTI

VOPEX-C64K18GB-4HDBT: 4K 18Gbps HDMI HDBaseT Splitter/Extender Installation Manual

Installation and Operation Manual • February 27, 2026

Installation and operation manual for the NTI VOPEX-C64K18GB-4HDBT, a 4K 18Gbps HDMI HDBaseT splitter/extender supporting up to 394 feet over CAT6/6a/7 cable, including features, specifications, and setup guides.

Brand: NTI

NTI TFTN Series Natural Gas to Propane Conversion Instructions

Installation Guide • February 18, 2026

Comprehensive guide for converting NTI TFTN series boilers (TFTN285, TFTN340, TFTN399) from Natural Gas to Propane. Includes safety information, installation steps, gas valve and burner setup, CO2 adjustment, and rating plate updates.

Brand: NTI

NTI FTVN Series II and COMPASS Floor Mount Boiler Natural to Propane Conversion Instructions

Conversion Instructions • February 17, 2026

Detailed instructions for converting NTI FTVN Series II and COMPASS Floor Mount boilers from Natural Gas to Propane (LP) gas, including safety information, installation procedures, and combustion calibration.

Brand: NTI

NTI NC085-199(C) COMPASS Gas-Standing Condensing Boiler Spare Parts Exploded View (R8219272-03)

Spare Parts Exploded View • February 14, 2026

Detailed spare parts exploded view and identification guide for the NTI NC085-199(C) COMPASS gas-standing condensing boiler (Document R8219272-03). Find model numbers, part references, and diagrams for efficient maintenance and repair of NTI Compass Series boilers.

Brand: NTI

NTI Vmax Boiler Installation and Operation Manual

Installation and Operation Manual • February 5, 2026

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

Brand: NTI

NTI E-2D-IND Industrial Environment Monitoring System User Manual

E-2D-IND • March 13, 2026 • Amazon

User manual for the NTI E-2D-IND Industrial Small Enterprise Environment Monitoring System, designed for high-temperature environments. Includes setup, operation, maintenance, and troubleshooting.

Brand: NTI

NTI E-5D-INDLT Industrial Environment Monitoring System User Manual

E-5D-INDLT • February 10, 2026 • Amazon

Instruction manual for the NTI E-5D-INDLT Industrial Medium Enterprise Environment Monitoring System, covering setup, operation, maintenance, and specifications for low/high temperature environments.

Brand: NTI