The VR1816 is an Infinitely Variable Speed, ECM, High-efficiency Delta-P, (Differential Pressure), circulator that can operate in 3 different modes:
- Infinitely Variable Fixed Speed (min/max) — Ideal for zoning with circs, fine tune to GPM required
- Constant Pressure, Variable Speed — Best suited for zone valve jobs
- Proportional Pressure, Variable Speed — Best suited for panel radiators with thermostatic radiator valves (TRV's)
The VR1816 competes directly with all other
Delta-P circulators including Grundfos Alpha, Wilo Stratos ECO, Armstrong Compass and Xylem ecoAuto.
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Other key features include:
- Performance range of 18 feet shut-off head
and 16 gpm max flow
- Easy to use selector dial to change the
operating mode to match system design
- Multi-color LED's indicate operating mode or error code diagnostics
- Power range from 4–44 watts
- Innovative BIO Barrier® protects the pump
from system contaminants
- Whisper quiet operation
- Unique Sure Start automatic unblocking
and air purging mode
- Nut-capture feature on flanges
- Dual electrical knockouts
- Integral Flow Check (IFC®) included
VR1816 Orders accepted now —
Available for shipment March 15, 2015
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