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  • Hebei Daotehe Technology Co., Ltd.
  • +86 13472186940iris@dekuo.net
  • Zhengding County, Shijiazhuang City, Hebei Province.
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    TECHNICAL SPECIFICATIONS
    Item / Parameter Unit Model: L1PB32
    Rated Max Heat Input for Heating (kW) 40
    Rated Min Heat Input for Heating (kW) 35.6
    Rated Max Heat Output for Heating (80 / 60℃) (kW) 16
    Rated Min Heat Output for Heating (80 / 60℃) (kW) 13.6
    Rated Max Condensing Heat Output for Heating (50 / 30℃) (kW) 40
    Rated Min Condensing Heat Output for Heating (50 / 30℃) (kW) 7.5
    Rated Heat Input for Domestic Hot Water (DHW) (kW) 6.4
    Rated Thermal Efficiency (%) >89
    Energy Efficiency Class 2
    Power Supply 220V ~ / 50Hz
    Rated Electrical Power (W) 147
    Minimum Load Electrical Power (W) 100
    Standby Electrical Power (W) 2.5
    Enclosure Protection Rating IPx4
    Electric Shock Protection Class Class I
    Gas Type 12T Natural Gas (2000Pa)
    Reference Gas Consumption (m³/kW·h) 0.04 ~ 0.10
    Applicable Gas Pressure Range (Pa) 1500 ~ 3000
    Reference Heating Area (m²) 220~320
    Heating Temperature Selection Range (℃) Radiator 30~80 / Underfloor 30~60
    Heating Differential Temperature Setting (℃) 10 ~ 30
    Heating System Working Pressure (MPa) 0.05 ~ 0.3
    Expansion Vessel Pre-charge Pressure (MPa) 0.1
    Expansion Vessel Capacity (L) 8
    DHW Temperature Adjustment Range (℃) 30 ~ 60
    DHW Minimum Starting Pressure (MPa) 0.03
    DHW Minimum Starting Flow Rate (L/min) 2.5
    DHW Yield (ΔT=25℃) (kg/min) 20.4
    DHW Applicable Pressure (MPa) 0.05 ~ 0.6
    Heating System Applicable Pressure (MPa) 0.05 ~ 0.25
    Heating System Protection Pressure (MPa) 0.3
    Water Pump Head (m) 7
    Connection Pipe Sizes (G”) Gas 3/4  Heating 3/4  Hot Water 1/2
    Flue Pipe Diameter (mm) Coaxial 100 / 60
    Dimensions (mm) 740x510x338
    Net Weight (kg) 38
    SELECTION REFERENCE GUIDE
    Heating Area (m²) Required Users Applicable Scenario Recommended Power (kW)
    70-120 4 Standard Apartment, Heating & Hot Water 20-24
    120-170 6 Large Apartment or Multi-Bathroom 24-28
    140-200 6-8 Large Apartment / Villa 28
    160-240 8-10 Large Villa or Cold Region (L1PB32) 32

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    About Us

    The company is based in Hebei's IoT smart manufacturing industry ecosystem, focusing on smart heating, safe kitchens, and whole-home comfort system upgrades, built on the technology foundation of industrial intelligence × IoT × smart control. It aims to become the pioneer and leader in the smart upgrade of the heating market, with the mission of 'Smart Living, Comfortable Life,' creating safe, energy-efficient, convenient, and comfortable AIoT whole-home living solutions.

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  • Hebei Daotehe Technology Co., Ltd.
  • +86 13472186940iris@dekuo.net
  • Zhengding County, Shijiazhuang City, Hebei Province.
  • Copyright © 2026 Hebei Daotehe Technology Co., Ltd. All Rights Reserved.  privacy policy

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