it provides active downstream pressure venting

Technical specifications confirm 60Hz operation and a weight of approximately 6

In a low water condition

Common Questions: Is the NRV 12 suitable for oil lines

you must use an ultraviolet-specific amplifier from the 7800 series

Grundfos 97523134 Pump 318423-701 it provides active downstream pressureThe Grundfos 97523134, also identified as the UPS50 60F, is a high performance three speed circulator pump engineered for demanding hydronic heating, cooling, and district heating systems. This wet rotor circulator features a cast iron pump housing and a canned rotor design, where the motor and pump form an integral unit without a mechanical shaft seal. By utilizing the pumped liquid for bearing lubrication, this unit ensures quiet, maintenance free