The Grundfos Spare Twin Connection Cable SCALA1 allows dual SCALA1 pumps to communicate effectively in a synchronized setup. Ideal for boosting residential water pressure and irrigation systems, this cable ensures optimal performance in various applications. Compatible exclusively with SCALA1 models, it supports both duty/assist and duty/standby operations for enhanced reliability.
Features:
- Facilitates communication between two SCALA1 pumps for synchronized operation.
- Enables automatic alternation for balanced wear between pumps.
- Supports residential and light commercial water supply applications.
- Essential for installing or replacing components in a SCALA1 twin booster system.
- Includes molded connectors for reliable, low-voltage connections.
Additional Information:
- Approximate cable length: ~0.8 m / 2.6 ft (varies slightly by kit reference)
- Low-voltage communication cable with molded connectors
Product references:
- Spare cable only: 99891615
- Full twin installation/accessory kit reference:
- 99725168








