The Midtherm HTS Twin Wall Flue – 1000mm Length is a high-quality, versatile solution for creating a safe and efficient chimney system. Designed for both vertical and angled installation, this premium twin-wall flue pipe serves as an essential extension when transitioning through ceilings or walls, seamlessly connecting to a single-wall flue system. Its robust construction and modern design make it a reliable choice for a wide range of heating appliances.
Superior Design and Materials
Crafted with precision, the Midtherm HTS Twin Wall Flue combines durability and sleek aesthetics. Its laser-welded seams and machine-formed joints ensure a flawless, airtight fit, promoting optimal performance. The twin wall construction features an inner layer of 0.5mm 316 2b stainless steel and an outer layer of 0.5mm 304 BA stainless steel, delivering long-lasting strength and resistance to corrosion. Choose between an elegant stainless steel finish or a stylish painted black exterior to suit your installation needs.
Dimensions and Performance
With a nominal length of 1000mm, the flue pipe offers an actual fitted length of 955mm, accommodating precise installation requirements. It is engineered to operate efficiently at high temperatures, with a 450°C continuous operating temperature and an impressive 4-hour fire rating. These features ensure reliability in demanding conditions, making it suitable for use with a variety of fuels, including:
- Wood
- Multifuel
- Gas
- Oil
- Biomass
- Pellets
Ease of Installation
The Midtherm HTS system is designed for hassle-free and consistent installation. Each component comes with locking bands for secure connections, ensuring stability and safety throughout the flue system. The product’s compatibility with single-wall flue systems allows seamless transitions, making it an ideal choice for both new installations and upgrades.
Joint Type
Push fit socket and spigot type joint, to be installed with a locking band in place.
Certifications and Warranty
Manufactured under ISO 9001 accredited quality management systems, the Midtherm HTS Twin Wall Flue meets the highest industry standards. It boasts CE certification and is approved by HETAS, reinforcing its commitment to safety, quality, and environmental responsibility. Additionally, the product is backed by an impressive 20-year warranty, provided the installation is registered and properly maintained.
Applications
This twin wall flue pipe is versatile enough to meet the needs of residential, commercial, and industrial heating systems. Whether you’re installing a wood-burning stove, pellet boiler, or multifuel appliance, the Midtherm HTS Twin Wall Flue delivers exceptional performance and peace of mind.
Why Choose Midtherm HTS?
- High-Temperature Insulation: With exceptional heat resistance and a reliable design, this flue pipe ensures safe and efficient operation.
- Durable Construction: Made from premium-grade stainless steel, the product resists wear and tear, promising longevity.
- Sleek Modern Appearance: Choose a finish that complements your space while maintaining functionality.
- Comprehensive Support: Comes with an easy-to-follow installation manual and a robust warranty program.
Downloads:
- Specification Sheet/ Manual: Midtherm_HTS_manual
- Brochure: QF-34-08-BRO24A
- Warranty: QF-34-08-WARA-23A-1






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