AS18 Gas Heating Wall-Hung Boiler

The AS18 series gas wall-hung boiler delivers reliable heating and domestic hot water with superior efficiency over 93%. Features include intelligent controls, multiple safety protections, and low NOx emissions. As a trusted China supplier, we offer wholesale customization, OEM services, and worldwide shipping. Available in 20kW–40kW models for residential and commercial applications.

Features of Our Gas Boilers
  • One unit, dual functions: heating and bathing in one.
  • Next-generation plate heat exchanger delivers expansive heat transfer area, sustained high water flow, and reduced scale buildup.
  • Intelligent three-stage freeze protection with real-time inlet temperature monitoring safeguards the unit.
  • Multi-point thermostatic sensors detect water temperature fluctuations for precise flow/temperature control, ensuring consistently warm bathing.
  • Premium fan and pump integration with a sealed combustion system ensures quiet operation without disrupting daily life.
Gas Boiler Parameters
Gas boiler internal design
Gas boiler installation diagram