The Elterm Electric In-line Boiler Capitan is a heat only electric boiler designed for efficient and reliable operation in sealed or air-vented central heating systems. Equipped with advanced LCD controls, weather compensation, and 4 x PV-ready functionality, it provides precise temperature management and energy savings. Its robust construction and integrated electronic pump make it ideal for use as a main or alternative heat source, particularly in systems incorporating heat pumps or photovoltaic installations.

Key Features

• Heat only boiler suitable for sealed or open central heating systems
• Advanced LCD automation with electronic temperature setting (5-70°C)
• 4 x PV-ready functionality for maximising solar power use
• Built-in electronic pump ensuring reliable circulation
• Compatible with heat pump systems for hybrid heating solutions
• Modulating power adjustment with max power control available on 15, 18, and 24kW models
• Energy efficiency class D with operational range A+++ to D based on usage
• Operates on single or three-phase supply depending on model and power rating
• Electronic anti-stop function to prevent pump seizure during non-use
• Suitable for professional heating installations with reliable, quiet operation

Suitable For

• Sealed or air-vented central heating circuits requiring heat only boilers
• Buildings integrating solar PV with electric heating backup
• Hybrid heat pump and electric boiler systems
• Residential and commercial applications needing compact, efficient electric heating

Power Variants

Model	Power Range (kW)	Supply
Capitan 6kW	6 kW	Single Phase 230V
Capitan 9kW	9 kW	Single Phase 230V
Capitan 12kW	12 kW	Single Phase 230V
Capitan 14kW	14 kW	Single Phase 230V