elco THISION L Evo 140 User Manual

Flue Gas System Guide
Flue systems for wall hung condensing boilers from 33kW to 1040kW in cascade

elco THISION L Evo 140 Specifications

General

Model	THISION L Evo 140
Type	Condensing boiler
Fuel Type	Natural Gas / LPG
Output	140 kW
Max. nominal heat output 80/60 °C	140 kW
NOx class	5
Water pressure	Max 6 bar
Max water temperature	90 °C
Control System	Digital

Summary

Flue Systems

1.5 Available Flue Systems per Boiler

Tables detailing concentric and plastic single pipe flue system availability for different boiler models.

Design and Sizing Information

2.1 Boiler Maximum Flue Lengths

Tables showing maximum flue lengths for Thision S Plus, L Evo, and L Eco boilers based on configuration.

2.2 Safe Flue Termination

Guidance on regulations and standards for safe flue termination, including BS5440 and IGEM-UP10.

2.3 IGEM-UP 10

Termination position requirements for appliances over 70kW net input according to IGEM-UP10.

2.4 BS6644 – 70kW to 1.8MW

Ventilation requirements for appliances over 70kW, covering open flued and room sealed types.

2.5 BS5440 – Up to 70kW

Ventilation requirements for appliances up to 70kW, detailing air vent positions and grille locations.