Installation, operation, timer programming, aquastat settings and maintenance instructions for the Grundfos Comfort Pump.
This manual provides step‑by‑step installation guidance, including recommended horizontal mounting, valve isolation, and head‑relief procedures for the Grundfos Comfort Pump. Safety cautions cover hot surfaces, proper positioning, and fluid temperature limits.
Operational features are explained, such as the 24‑hour AM/PM timer with 20‑minute intervals, aquastat temperature adjustment between 95 °F and 150 °F, and troubleshooting tips for air removal and noise reduction. Maintenance instructions detail impeller cleaning and warranty information.
| Maximum recommended system head | 4.9 ft |
|---|---|
| Maximum allowable fluid temperature | 204 °F |
| Aquastat temperature range | 95 °F – 150 °F |
| Timer interval | 20 minutes |
| Sound pressure level | < 43 dB(A) |
The maximum recommended system head is 4.9 feet.
The circulator should remain in a horizontal position; mounting it vertically under piping is acceptable, but it must not be mounted over piping in a vertical orientation.