The steam boiler with internal co mbustion three backhaul wet back qui ck form, can use light diesel o il, heavy diesel oil, city gas,  ;natural gas. Burning device imported&nbs p;brand-name burning machine with microco mputer automatic process control systems& nbsp;and combustion detector protection s ystem, equipped with high-efficiency pump s, valves, meters, and imports of&nb sp;soft water processor. Boilers under&nb sp;the protection of automatic ignition&n bsp;startup program, flame protection, lo ad regulation, high and low water&nb sp;level control, over-temperature overpressur e to achieve detection control autom ation. Boiler, with large water capa city and stable air pressure, is&nbs p;the ideal product which applied to the situation of large load ch ange, high steam quality, low exhaus t gas temperature, high thermal effi ciency.
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Remark: what we sell the spare parts for wall hung boilers(domestic combi gas boilers), include Hydraulic valve sets, Radial blowers, Expansion water tank, plate heat exchangers, Actuator motor, Safety valves, Radiator valves, etc