Viessmann 7856004 Pump Head 318172-701 As a critical component of

As a critical component of the heat exchanger assembly

supporting heavy industrial gas trains

Utilizing a genuine Carrier outdoor sensor ensures linear voltage response and prevents the "sensor out of range" faults often triggered by low-quality aftermarket equivalents

Featuring a robust NEMA frame design and high-grade insulation

Using a genuine Carrier fan grill ensures your equipment meets original safety standards and maintains the structural integrity of the outdoor cabinet against environmental stressors

Viessmann 7856004 Pump Head 318172-701 As a critical component ofThe 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