

SALUS KL04NSB24V
The SALUS KL04NSB 24V is a compact and reliable 4-zone wiring center designed for hydronic underfloor heating systems using 24V thermostats and 24V electrothermal actuators. The “NSB” version (No Signal Bus) provides straightforward hard-wired connections without RF or network communication. Ideal for small to medium UFH manifolds that require stable, low-voltage, cost-effective zone control.
Product Details
| Specification | Details |
|---|---|
| Brand | SALUS Controls |
| Model | KL04NSB – 24V |
| Product Type | 24V wiring center (hard-wired) |
| Zones | Up to 4 zones |
| Thermostat Compatibility | 24V wired thermostats |
| Actuator Compatibility | 24V NC/NO actuators (M30×1.5 valve thread) |
| Power Supply | 24V AC |
| Communication | None (NSB = No Signal Bus / Non-RF) |
| Pump Control | Pump activation output (24V control) |
| Boiler Control | Volt-free relay output for boiler/heat source |
| LED Indicators | Zone activity & power status |
| Protection Features | Fuse protection, overcurrent safety |
| Mounting | Wall-mounted near UFH manifold |
| Applications | UFH manifolds, small residential zones, apartments |
| Features | Clean wiring layout, silent operation, low-voltage safety, reliable zone control |
