4t gas fired Condensing Boiler Belarus
CONDENSING HOT WATER BOILER
WNS series pressure exhaust heat recycle hot water adopts shell type corrugated furnace structure two passes design with wet back smoke-transfer chamber Spirally corrugated tube technology air pre-heater at the front of The energy-saving condenser at the top achieves third pass smoke flowso that fresh air can fully absorb the waste heat from the flue
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