Multi-Story Villa 64-Zone Wireless Cascading Hydronic Solution

Overview

Cross-floor hydronic zoning made simple.

Traditional multi-story hydronic installations rely on complex bus cabling, requiring expensive floor-chasing and wall-drilling that inflate labor costs and risk damaging premium architectural finishes. In retrofits or luxury estates, running hardwired connections between manifolds across multiple floors creates significant deployment bottlenecks.

Our Wireless Cascading Solution leverages long-range LoRa penetration technology to establish a robust Master-Slave control network across floors. By linking up to 64 zones wirelessly, it synchronizes room demands with central boilers and pumps—delivering seamless multi-story climate management while preserving structural integrity.

Core Capabilities

● 64-Zone Wireless Expansion
● Cross-Floor LoRa Link
● Unified Heat Source Interlock
● Zero Wall-Chasing Setup

Wired and wireless hydronic thermostat application scene

Solution Architecture

A scalable Master-Slave network unifying multi-floor manifolds.

：SAS931WCH wired hydronic underfloor heating system multi-zone application

Key Capability	Multi-Story Wireless Cascading Solution	Traditional Hardwired RS485 Solution
Cabling Requirement	Zero cross-floor signal cabling (LoRa Wireless)	Heavy shielded bus cabling through floors/walls
Zone Scalability	Up to 64 independent zones via Master-Slave	Limited by local manifold outputs (usually 8–10)
Structural Impact	Zero drilling; preserves architectural decor	High; requires floor-chasing & conduit drilling
Boiler Protection	Aggregated dry-contact interlock across all zones	Fragmented zone calls; high risk of short-cycling
Retrofit Velocity	Rapid deployment; cuts installation time by 60%	Slow; prolonged construction & high labor cost

Architecture Highlights

LoRa Cross-Slab Penetration

High-penetration wireless links effortlessly pass through reinforced concrete floors without signal repeater overheads.

Aggregated Thermal Demand

Master-Slave logic pools heat demands across all sub-controllers, ensuring the primary boiler or heat pump triggers only when active loops require fluid flow. The SCU217 8-Zone Cascading Wireless Wiring Center serves as the master controller for this architecture. For a deeper dive into multi-zone energy optimization, explore our guide on centralized energy management for large-scale zones

Application Scenarios

Multi-Story Luxury Villa Retrofits — No Wall Disruptions

Challenge: Retrofitting hydronic floor heating in occupied luxury villas often stalls due to the impossibility of drilling through finished marble floors or decorated walls to link manifolds.

Our solution: Deploying wireless master-slave nodes on each floor enables instant signal mesh formation through concrete slabs, eliminating structural damage while delivering precision temperature control per room. For more retrofit best practices, refer to our wireless retrofit guide for multi-story projects.

● No Wall Chasing

● Slab Penetration

● Rapid Retrofit

Living room hydronic floor heating application scene

Light Commercial Offices & Boutique Hotels — Scalable 64-Zone Control

Challenge: Commercial estates with multiple open-plan zones and private suites struggle with fragmented controls, leading to pump dry-running and high energy wastage during partial loads.

Our solution: The 64-zone cascading architecture centralizes heat calls from disparate manifolds, interlocking them directly with central circulating pumps and boilers to ensure energy flows only where occupied.

● 64-Zone Mesh

● Pump Protection

● Central Interlock

European villa living room hydronic heating application scene

Advantages

60% Labor Cost Reduction

Eliminates physical cable-pulling, floor-coring, and conduit routing between floors, drastically slashing field installation labor and project delivery times.
Zero Short-Cycling Protection

Centralized Master-Slave interlocking aggregates zone demands across all 64 channels, preventing boiler short-cycling and extending primary equipment lifespan. Understand the technical details behind this protection with our guide on boiler pump interlock protection logic.
Non-Invasive Architectural Preservation

Ideal for high-end residential retrofits, allowing complete hydronic automation without compromising interior aesthetics, luxury wall covers, or ceiling structures.

Related Products

SCU217 8-Zone Cascading Wireless Wiring Center

LEARN MORE

Hydronic Thermostat

Power supply and signal input: DC12 ~ 18V carrier non-polarity input
(power supply wiring control centre, maximum current 100mA)

Storage environment temperature and humidity: -10 ~ 60°C, 0 ~ 90% RH (non-condensing)

Working environment temperature and humidity: 0 ~ 50°C, 0 ~ 80% RH (non-condensing)

Temperature display range: 0 ~ 50°C

Display accuracy: 0.1°C

Size: 86x86x13mm

Protection level: IP21

WIFI antenna emission frequency(master controller): 2.4GMHz

WIFI wireless transmission distance(master controller): 60M in the open area

Wiring control centre

Power source: 100-240VAC 50 / 60Hz (maximum current 10A)

Storage environment temperature and humidity: -10 ~ 60°C, 0 ~ 90% RH (non-condensing)

Working environment temperature and humidity: 0 ~ 50 °C, 0 ~ 80% RH (non-condensing)

Size: 298 X 88 X 66mm

IP rating: IP40

Get in Touch

Contact our friendly customer service team for any questions, concerns, or suggestions. We'd love to hear from you.

Headquarters Hotline: +86 755 61218391 Headquarters Hotline +86 755 61218391

Headquarters Email: info@saswell.com

Tech Support Email: support@saswell.com