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optimized for vertical mounting
this component is critical for maintaining precise gas combustion and heat transfer efficiency
preventing energy waste and protecting downstream equipment from condensate backup
the G 1/4 A (EN 837) pressure connection and DIN plug PG9 electrical connector ensure a secure
Viessmann 7856004 Pump Head 322057-301 optimized for vertical mountingThe Viessmann 7856004 Pump Head is a precision engineered Grundfos UPS15 78 B1KA replacement designed for high head hydronic applications. This boiler circulation pump assembly is the OEM solution for restoring hydraulic balance in Viessmann Vitodens 100 W and 200 series condensing boilers. Featuring a 3 speed motor configuration, this wet rotor circulator allows for fine tuning the flow rate to match the specific friction loss of the heat exchanger
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