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NEXUS & SFLUE
Twist Lock Twin Wall
Flue System
Installation Guide
Manufactured in the UK
IMPORTANT
This document must
be fully understood
before planning
and commencing
installation of the
chimney system.
Failure to follow
the installation
instructions could
prove dangerous and
result in loss of life.
Please check online at
www.sflchimneys.com
that you are working
from the latest version
of this document.
Version Number:
SFLUE-NEXUS 150424
FM 557622
www.sflchimneys.com
1
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Table of Contents
Related Manuals for SFL SFLUE
Summarization of Contents
Product Overview and Compliance
Products and Approvals
Introduces NEXUS/SFLUE systems, their performance, and certifications.
Product Handling Guidance
Provides guidance on safely handling chimney system components.
Installation Requirements and General Guidelines
Mandatory Installation Requirements
Outlines essential requirements for competent installers and regulatory compliance.
Pre-Installation Checks
Covers essential pre-installation checks like ventilation and CO alarms.
General Installation Guidelines
Provides overarching rules for connecting flue pipes and system chimneys.
System Chimney Specifications
Describes chimney systems, their route, and termination requirements.
Installation Methods and Specifics
Internal & External Installation Methods
Illustrates internal and external installation, including support and enclosures.
Penetrating External Walls
Covers methods for safely passing the chimney through external walls.
Common Terminal Positions
Specifies required positions and clearances for chimney terminals.
NEXUS/SFLUE Systems and Component Details
Jointing Systems and Locking Bands
Explains NEXUS and SFLUE jointing mechanisms and locking band types.
Standard and Adjustable Components
Details adaptors, starter lengths, adjustable sections, and elbows for system configuration.
Tees and Accessories
Details tee components and accessories for connections and drainage.
Support, Penetration, and Weathering Components
Vertical and Lateral Support Components
Explains wall, roof/rafter supports and wall bands for chimney stability.
Floor Penetration Components
Covers ventilated and non-ventilated kits for passing through floors.
Wall Sleeves, Terminals, and Flashings
Details components for wall penetration, terminals, and roof flashing/weathering.
Technical Data and Post-Installation Procedures
Support Component Loading Data
Provides technical data on loading capacities for support components.
Post Installation and Maintenance
Covers final checks, testing, commissioning, appliance operation, and servicing.
Warranty and Notice Plate
Details manufacturer warranty and regulatory notice plate requirements.
Need help?
Do you have a question about the SFLUE and is the answer not in the manual?
Questions and answers