High Efficiency Gas Condensing Boiler 22-28kW with ≥96% Efficiency and <42 dB Noise Level for 90-250㎡ Heating

Price Negotiable

Price: USD 450-550PCS

MOQ: Negotiable

Delivery Time: 7 work days

Brand: Dongyuan

Product Description

High Efficiency Gas Condensing Boiler Overview

This advanced gas condensing boiler provides both room heating and domestic hot water with exceptional energy efficiency and quiet operation. Engineered for residential and commercial applications, it delivers reliable performance with heat efficiency exceeding 90%.

Key Features & Benefits

Energy Efficiency

≥96% efficiency rating with low power consumption (130-145W)

Quiet Operation

Operates at <42 dB noise level for minimal disturbance

Smart Control

Digital LCD screen with four-section timer and optional remote control

Environmental Compliance

Very low CO and NOx emissions with forced exhaust system

Technical Specifications

Parameter	Unit	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 (ΔT=25℃)	kg/min	11.5	12.5	13.5	14.6
Electric Power	W	130	145	145	145
Expansion Tank Capacity	L	6	8	8	8
Product Dimensions	mm	740×430×320

Safety Features

Forced air-supply and exhaust system ensures complete combustion 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
Starts with super low water pressure (minimum 2 L/min flow)
Dual temperature sensor control for precise regulation
High-flow hot water system supports multiple simultaneous users
Automatic heating temperature adjustment for different heating modes

Environmental Design

Inverted flame combustion technology reduces emissions
Advanced heat exchange design for quiet operation
Low CO and NOx emissions for environmental compliance

Design & Installation

European-style appearance with 360-degree rotation capability. New lid design facilitates convenient commissioning and maintenance. Digital display shows system pressure for precise monitoring.