L1PB20 LED Display Gas Boiler 20kW Output 88% Efficiency for 80-160m² Residential Heating

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: 30days after receiving the deposit

Brand: Dongyuan

Product Description

Technical Specifications

Model Number	L1PB20
Gas Type	NG/LPG
Rated Gas Input	20 kW
Rated Gas Output	17.6 kW
Thermal Efficiency	Above 88%
Heating Area Coverage	80-160 m²
Operating Noise Level	<42 dB
Expansion Tank Capacity	6 L
Power Supply	110W, 20-50Hz
Heating Water Temperature Range	Radiator: 30-80°C, Floor Heating: 30-60°C
Hot Water Supply Capacity	10 kg/min (ΔT=25°C), 8.3 kg/min (ΔT=30°C)
Pipe Connections	Gas & Heating: G3/4, DHW: G1/2

Advanced Features

Smart Control & Display

Color LED display showing temperatures, working modes, burner power, and error codes
Microcomputer automatic control with real-time system monitoring
Intelligent constant temperature control for consistent heating and hot water
Supports outdoor temperature-driven operation mode
Compatible with OpenTherm room thermostats from any manufacturer

Safety & Reliability

Multiple safety protections: anti-freezing, overheat, and bypass protection
Automatic electronic ignition with ionization flame control
Self-diagnostics system with error code display
Frost protection automatically activates burner and pump when freezing risk detected
PCB insensitive to electrical polarity and voltage fluctuations (AC 160-242V)

Performance & Efficiency

Electronic variable-speed fan for optimal air-gas mixture
Forced exhaust system with quiet operation
Available in multiple capacities: 20kW, 24kW, 28kW, 32kW to match different house types
Optional remote controller for enhanced functionality

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