HWS-P Self-Regulating Hot Water Trace Heating Cable
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HWS-P Self-Regulating Hot Water Trace Heating Cable
Description
Description
SOLCO HWS-P Self-Regulating Hot Water Trace Heating Cable
The SOLCO HWS-P Self-Regulating Heating Cable is designed for temperature maintenance of domestic and commercial hot water pipework, with the added capability to support periodic thermal disinfection.
Designed to maintain pipework temperatures between 40°C and 70°C, HWS-P provides an electric trace heating solution for hot water distribution systems requiring controlled temperature maintenance.
With a nominal output of 9.5W/m at 70°C, the cable uses self-regulating technology to adjust heat output along its length in response to local temperature conditions.
Hot Water Temperature Maintenance with Periodic Thermal Disinfection
The SOLCO HWS-P Self-Regulating Heating Cable is designed to maintain hot water pipework temperatures between 40°C and 70°C, providing reliable temperature maintenance for domestic and commercial hot water distribution systems.
Unlike standard hot water trace heating cables, HWS-P also supports periodic thermal disinfection, helping manage the risk of Legionella bacteria within appropriately designed hot water systems.
Its self-regulating technology automatically adjusts heat output in response to temperature changes, supporting consistent hot water availability and effective temperature maintenance.
Installation Note: Periodic thermal disinfection should be managed through suitable temperature controls and carried out in accordance with the manufacturer's guidance and applicable water hygiene requirements.
How SOLCO HWS-P Works
The HWS-P heating cable incorporates self-regulating technology that responds to the temperature surrounding each section of cable.
When pipe temperatures fall, the heating element increases its output. As temperatures rise, heat output decreases.
This independent heat output control helps the cable respond to temperature variations along a hot water pipework installation.
When correctly specified with suitable temperature controls and pipe insulation, HWS-P can maintain the required pipework temperatures without the need for a conventional recirculation arrangement in suitably designed systems.
Key Features and Benefits
Designed for hot water pipework requiring temperature maintenance across the specified operating range.
Supports appropriately designed thermal disinfection procedures as part of a wider water hygiene management strategy.
Automatically varies heat output according to local temperature conditions along the cable.
Can eliminate the need for hot water return pipework and recirculation pumps in suitable system designs.
Helps maintain temperatures throughout the distribution pipework, reducing waiting times for hot water at outlets.
Manufacturer-designed switching characteristics help improve efficiency and contribute to a longer cable service life.
Typical Applications
Temperature maintenance in suitable commercial building-services installations.
Hot water distribution systems requiring controlled temperature maintenance.
Specified hot water systems incorporating temperature control and water hygiene management procedures.
Hot water pipework within suitable multi-property and domestic installations.
Suitable replacement or alternative arrangements to conventional hot water recirculation pipework.
Commercial and domestic mechanical-services projects requiring hot water temperature maintenance.
SOLCO HWS-P Technical Specifications
| Specification | HWS-P |
|---|---|
| Manufacturer | SOLCO Pyroelec |
| Product Model | HWS-P |
| Cable Type | Self-Regulating Hot Water Heating Cable |
| Designed Maintenance Range | 40°C to 70°C |
| Nominal Heat Output | 9.5W/m at 70°C |
| Manufacturer Voltage Availability | 24–240V AC |
| Maximum Maintain Temperature | 80°C (Power On) |
| Maximum Intermittent Exposure | 100°C (Power Off) |
| Approximate Cable Dimensions | 12.8mm x 5.5mm |
| Bus Wire | 16 AWG Nickel-Plated Copper |
| Maximum Earth Braid Resistance | 18.2 Ohm/km |
| Primary Application | Hot Water Temperature Maintenance with Periodic Thermal Disinfection Capability |
Manufacturer specifications apply to the HWS-P series. Confirm the supplied voltage configuration, maximum circuit length and electrical protection requirements before installation.
Installation and System Requirements
SOLCO HWS-P must be specified as part of a complete hot water temperature maintenance system.
- Confirm the required normal maintaining temperature and disinfection operating requirements.
- Calculate pipework heat loss based on pipe diameter, insulation thickness and installation conditions.
- Specify suitable controls, monitoring and protective devices for the intended operating temperatures.
- Use compatible power connections, end seals, junction boxes and fixing accessories.
- Install appropriate thermal insulation over the completed trace heating system.
- Verify maximum circuit lengths and circuit breaker selection using SOLCO's latest technical documentation.
- Ensure the complete hot water installation incorporates appropriate water hygiene and scalding risk controls.
Important: Installation must be carried out by suitably qualified personnel in accordance with manufacturer guidance and applicable electrical and water system requirements.
HWS-P or HWS-R: Which Cable Do You Need?
SOLCO manufactures two HWS heating cables for different hot water maintenance requirements.
| Feature | HWS-R | HWS-P |
|---|---|---|
| Maintenance Range | 50–60°C | 40–70°C |
| Nominal Heat Output | 9W/m at 55°C | 9.5W/m at 70°C |
| Primary Function | Standard hot water maintenance | Hot water maintenance with periodic disinfection capability |
Explore SOLCO HWS-R for hot water temperature maintenance between 50°C and 60°C.
Complete Your Hot Water Trace Heating System
Insulation & More supplies associated heating controls, connection accessories and pipe insulation materials for commercial installations.
Specifying Hot Water Trace Heating for a Commercial Project?
Need HWS-P heating cable for a commercial installation, or assistance selecting the associated controls, accessories and insulation?
Insulation & More supports plumbers, M&E contractors, facilities management teams and commercial buyers with product enquiries and project quotations.
Need advice before ordering? Call 01792 209987 or email info@insulation-more.co.uk .
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