Gas Condensing Combi Boiler 22-28kW with 96% Efficiency for 90-250㎡ Heating Areas

Price Negotiable

Price: USD 450-550PCS

MOQ: Negotiable

Delivery Time: 7 work days

Brand: Dongyuan

Product Description

Technical Specifications

Model	LL1PB22-H*	LL1PB24-H*	LL1PB26-H*	LL1PB28-H*
Rated Heat Output (kW)	22	24	26	28
Heating Area (㎡)	90-190	110-210	130-230	150-250
Hot Water Capacity (△T=25℃, kg/min)	11.5	12.5	13.5	14.6
Efficiency	≥96%
Power Supply	AC220-50Hz
Noise Level	<42 DB
Product Dimensions (mm)	740×430×320

Key Features & Benefits

Safety Features

Forced air-supply and exhaust system ensures complete combustion air isolation
Negative pressure combustion prevents indoor air pollution
Twenty comprehensive safety protection systems
IPX4 water and electricity protection rating

Comfort & Performance

Intelligent constant temperature technology maintains stable water temperature
Low water pressure startup capability
Dual temperature sensor control system
High-flow hot water supply for multiple simultaneous users
Automatic heating temperature control with multiple mode options

Environmental Design

Inverted flame combustion technology reduces CO and NOx emissions
Advanced heat exchange design for quiet operation
High efficiency condensing technology with ≥96% rating

Design & Installation

European noble appearance with 360-degree rotatable display
Convenient lid design for easy commissioning and maintenance
Digital pressure display for precise monitoring
Compact dimensions: 740×430×320mm

Professional Installation Recommended: This high-efficiency condensing combi boiler requires professional installation and regular maintenance to ensure optimal performance and safety.