Key Features

• Output: 15–21kW
• Flue options: L,R or rear. Optional Top
• Dimensions: 900(H) x 700(D) x 413(W) mm
• Flow connection: 28mm
• Return connection: 22mm
• Service access: Front
• Warranty: 2 years
• IP45 rating
• Weatherproof, grey casing
• Riello low NOx technology
• External installation
• ErP rating: A

What's Included

• Warmflow Agentis 15-21kW External System Oil Boiler - E21S
• Factory-fitted Grundfos UPM3 FLEX AS circulating pump
• 12l Expansion vessel
• Factory-fitted automatic air vent
• Factory-fitted 3-bar safety valve

Warmflow Agentis 15-21kW External System Oil Boiler - E21S Overview

The Warmflow Agentis 15-21kW External System Oil Boiler - E21S comes equipped with an IP45 rating with a grey, waterproof casing to suit its external use.

This heat only oil boiler doesn't require any maintenance and includes a patented 5mm stainless steel heat exchanger and Riello low NOx technology for quiet, efficient operation.

Specifications

This external oil boiler features an output between 15 and 21kW, a 28mm flow connection, a 22mm return connection and front service action for versatile use.

The System range also includes a 12l Expansion vessel, a factory-fitted automatic air vent and a factory-fitted 3-bar safety valve.