Universal Hopper for PELL-STAR Boiler

Thanks to its thoughtful design, the hopper can be freely positioned relative to the boiler. This is an ideal solution for installations in hard-to-reach areas, ensuring complete flexibility during setup.

Smart Boiler Controller

The advanced controller enables remote operation and management of multiple heating circuits. It supports mixing valves with actuators, allowing precise customization of the heating system to the user's individual needs.

Compact and Efficient Heat Exchanger

The vertical design of the heat exchanger provides exceptional thermal efficiency while maintaining compact dimensions. This is the perfect combination of space-saving and high performance.

VENMA "COMFORT" Modular Burner

This technologically advanced burner with an automatic igniter offers a range of innovative features:

Automatic Operation: Fully automated processes for ignition, maintenance, extinguishing, and cleaning minimize manual intervention.
Durable Components: Robust construction ensures reliability and longevity, even under demanding conditions.
Top-Level Safety: Flame and temperature sensors protect the burner from overheating, ensuring safe operation.
Continuous Operation: Automatic cleaning during operation and quick restart after a power outage eliminate system downtime.

Why Choose This Heating System?

This system combines modern technologies, reliability, and user comfort. It is the ideal solution for those who value efficiency, safety, and minimal involvement in the daily operation of heating devices.

Parameter	Unit	Model	PELL-STAR 18
Dimensions
D	[mm]	∅	159
L1	[mm]	1249
L	[mm]	877
H	[mm]	1346
H1	[mm]	1033
H2	[mm]	845
H3	[mm]	832
H4	[mm]	152
S	[mm]	490
S1	[mm]	540
S2	[mm]	1179
Fuel and Performance
Primary Fuel	—	Wood pellets (see: Section 2.5)
Nominal Thermal Power	[kW]	18
Thermal Power Range*	[kW]	5.4 – 18
Heated Space Volume**	[m³]	800
Heated Space Area**	[m²]	320
Hopper Capacity	[L]	300
Boiler Water Capacity	[L]	95
Maximum Operating Pressure	[bar]	2
Required Minimum Chimney Draft***	[mBar]	0.2
Flue Gas Temperature at Nominal Power	[°C]	112
At Minimum Power	[°C]	78
Flue Gas Mass Flow at Nominal Power	[g/s]	3.139
At Minimum Power	[g/s]	1.194
Fuel Consumption at Nominal Power	[kg/h]	4
Water Supply Temperature	[°C]	min. 57 / max. 80
Minimum Boiler Return Temperature	[°C]	55
Electrical and Noise Parameters
Boiler Power Supply	—	230 V – 50 Hz / 400 V – 50 Hz
Electrical Power	[W]	288.2
Standby Power	[W]	4.6
Power Consumption at 30% Load	[W]	58
Power Consumption at 100% Load	[W]	30
Noise	[dB]	< 65
Boiler Weight Without Water	[kg]	340
Supply and Return Connection Diameter	—	GZ 1 1/2”
Efficiency and Certification
Thermal Efficiency According to CSN EN 303-5+A1:2023 (Nominal – Minimum Power)	[%]	91.36 – 90.36
Energy Class	[%]	A+
Controller / Fan	—	YES / YES
Boiler Operation in Overpressure [+] / Underpressure [–]	—	[+]
Warranty	—	10 years for weld tightness, 60 months for exchanger tightness, 24 months for components
Heat Exchanger Material	—	P265GH Steel PN-EN 10028
Temperature Settings Range on Controller	[°C]	45 – 80