Description
Rhella E15-19 FC ΔT, Setpoint, Constant P ECM Circulator
- Motor: Permanent magnet 115 VAC 60 Hz
- Differential pressure controller
- Modes of operations: ΔT, Constant Pressure, Constant Speed, Setpoint Cooling, Setpoint Heating, Auto
- Boiler Protection
- Strator and rotor: stainless steel shielded wet
- Capacitor: 20 uf/200V
- Body Material: Cast Iron
- Ambient temperature range: 32°F -104°F (0°C ~ +40°C)
- Relative Humidity: Max. 95%
- Pumped liquid temperature: 35°F -230°F (2°C – 110°C)
- Max pressure: 145psi (1MPa)
- Max flow: 17 GPM
- Max head 19.6 ft
To prevent condensation forming in the electronics and rotor, the temperature of the pumped liquid must always be higher than the ambient temperature!
Model | A | B | C | D | E | F | Connection | Shipping Weight |
E15-19 FC | 8-½” | 6-¹¹/₁₆” | 5-⅛” | 5-⅝” | 3-¼” | 3-⁷⁄₁₆” | GF 25 flange | 7.4 lbs |


Model | Volts | Amps | Watts | System | Taco Equivalent |
E15-19 FC | 115 V | 0.05-0.67 | 5-45 | Closed | VT2218 |
To avoid cavitation the following inlet pressures must be observed
Liquid Temperature | ≥185°F (85°C) | ≥194°F (90°C) | ≥230°F (110°C) |
Inlet Pressure | 2 ft (0.6m) Head | 10 ft (3m) Head | 33 ft (10m) Head |
0.7 psi (0.05 bar) | 4 psi (0.28 bar) | 14.5 psi (1 bar) |