1. Appearance

  • Horizontal cylindrical design with white body, red burner, and brand logo
  • Compact layout with gauges/safety fittings on a sturdy black base

2. Key Features

  • High-efficiency 3-pass wet-back design with pressure-bearing safety structure
  • Multi-fuel compatible, low emissions, and durable build

3. Control & Operation

  • Digital control with auto monitoring/interlocks, factory-assembled plug-and-play
  • Fully automatic unmanned operation with intuitive interface

4. Applications

  • Industrial process heating and commercial hot water
  • Suitable for textile, food, chemical industries, and public facilities
Horizontal gas three return pressure hot water boiler

Gas three return pressure hot water boiler（120mg）

Parameter Unit WNS0.7-0.7/95-70-QY WNS1.05-1.0/115-70-QY WNS1.4-1.0/115-70-QY WNS2.1-1.0/115-70-QY WNS2.8-1.0/115-70-QY WNS4.2-1.25/115-70-QY WNS5.6-1.25/115-70-QY WNS7.0-1.0/115-70-QY WNS10.5-1.25/115-70-QY WNS14-1.25/115-70-QY
Rated Output MW 0.7 1.05 1.4 2.1 2.8 4.2 5.6 7 10.5 14
Rated Working Pressure MPa 0.7 1 1.25 1 1.25 1.25 1.25 1 1.25 1.25
Supply/Return Water Temp. ℃ 95/70 115/70 115/70 115/70 115/70 115/70 115/70 115/70 115/70 115/70
Design Thermal Efficiency % - - - - - - - - - -
Heating Area m² 23.13 30.99 40.81 64.7 79.4 128.6 176.3 234.2 360.2 409.5
Boiler Water Capacity m³ 2.23 3.9 3.5 5.28 6.05 7.97 10.9 13.82 15.47 21.5
Flue Size mm Φ320×260 Φ490×260 Φ462×262 Φ580×320 Φ650×320 Φ800×400 Φ800×400 Φ850×500 Φ1100×500 Φ1300×500
Return Water Inlet DN 80 100 100 125 150 200 200 200 200 250
Supply Water Outlet DN 80 100 100 125 150 200 200 200 200 250
Safety Valve Inlet DN 40 40 50 50 50 2×50 65×2 80×2 2×100 2×125
Sewage Outlet DN 40 40 40 40 40 40 50 50 50 50
Fuel Consumption (Light Oil) kg/h 64.5 96.9 129.8 192 260 384.1 511.2 638.1 959 1256
Fuel Consumption (Natural Gas) Nm³/h 77.4 116.8 156.2 236.2 313.9 463.1 615.9 765.5 1157 1541
Transport Weight t 3.25 4.2 4.8 8.1 9 12 15.2 22 36.6 45.7
Overall Dimension - Length mm 3150 3400 3600 4460 4600 5600 5600 6800 7200 7900
Overall Dimension - Width mm 1900 1660 1600 1900 2100 2200 2250 2650 3250 3650
Overall Dimension - Height mm 2300 2200 2200 2300 2400 2700 2650 2800 3100 3750