✨ Elecro H.R.UV-C Double Pro 110W UV Sterilisation System with Intelligent Dosing Pump (HRP-110-UK)
High-capacity UV-C sterilisation with digital lamp life countdown and automated chemical dosing for pools up to 110,000 litres
💧 Product Overview
The Elecro H.R.UV-C Double Pro is the flagship model in the H.R.UV-C range, combining powerful dual-lamp 110W UV-C sterilisation with an intelligent peristaltic dosing pump for complete automated water treatment. Designed for large residential and commercial pools up to 110,000 litres (110m³), this premium system delivers supreme sterilisation efficiency while automating your chemical dosing for hydrogen peroxide (H₂O₂) or liquid chlorine.
Featuring Elecro’s revolutionary E-PTFE super reflective reaction chamber — the highest UV reflective index on the market — the Double Pro dramatically amplifies microorganism exposure to sterilising UV-C radiation. The E-PTFE chamber maintains up to 95% UV reflection, ensuring maximum pathogen destruction with exceptional efficiency.
The digital lamp life countdown displays remaining lamp hours with colour-coded LED status, while the intelligent dosing pump automates daily chemical delivery with programmable timing, temperature compensation, and shock dose capability. Engineered and manufactured in Stevenage, England, the HRP-110-UK represents the pinnacle of UV water treatment technology with a 2-year European warranty.
⭐ Key Features
✅ 110W Dual UV-C Lamps (2×55W) – Maximum sterilisation power with twin low pressure/high output lamps
✅ E-PTFE Super Reflective Chamber – Highest UV reflective index on the market (up to 95% reflection)
✅ Pools up to 110m³ (110,000 Litres) – Ideal for large residential and commercial pool installations
✅ Digital Lamp Life Countdown – Precise hours remaining display with colour-coded LED status
✅ Intelligent Peristaltic Dosing Pump – Automated chemical dosing for H₂O₂ or liquid chlorine
✅ Programmable Daily Dosing – Set dosing time and volume for automatic 24-hour operation
✅ Shock Dose Function – Instant manual dosing for heavy bather loads or water quality issues
✅ Temperature Compensation – Automatic dosing adjustment based on water temperature (H₂O₂ mode)
✅ Flow Capacity up to 32m³/h – Handles up to 32,000 litres per hour
✅ Flow Switch Protection – Integrated flow monitoring ensures safe operation
✅ 9,000 Hours Lamp Life – Approximately 2 years under normal conditions
✅ Salt and Sea Water Compatible – 100% compatible with chlorinated salt and sea water systems
✅ Flexible Mounting Options – Install vertically or horizontally to suit your plant room
✅ IP64 Ingress Protection – Protected against water splashes from all directions
✅ 2-Year European Warranty – Manufactured in England to the highest standards
🔧 Technical Specifications
| Specification | Value |
|---|---|
| Model | H.R.UV-C Double Pro |
| Product Code | HRP-110-UK |
| Technology | UV-C Sterilisation with E-PTFE Reflective Chamber |
| Reflection Rate | Up to 95% UV reflection |
| Maximum Pool Size | 110,000 litres / 110m³ |
| Lamp Output | 110W (2×55W dual tube) |
| Maximum Power Consumption | 128W |
| Power Supply | Single Phase 100V ~ 240V |
| Frequency | 50/60 Hz |
| Maximum Flow Rate | 32,000 litres per hour / 32m³/h |
| Lamp Type | Low Pressure / High Output |
| Lamp Life | 9,000 hours (digital countdown) |
| Dosing Rate | Exceeds 30mJ/cm² at maximum flow rate |
| Maximum Working Pressure | 3 Bar |
| Ingress Protection Rating | IP64 |
| Water Connections | 2″/63mm stepped ABS unions + reducers 1½”/50mm |
| Salt Water Compatible | Yes – 100% chlorinated salt and sea water safe |
| Mounting | Vertical or horizontal wall mounting |
| Dimensions (L x W x H) | 982mm x 519mm x 151mm |
| Net Weight | 10.01 kg |
| Gross Weight | 13.01 kg |
| Features | Flow switch, digital lamp life countdown & intelligent dosing pump |
| Dosing Chemicals | Hydrogen Peroxide (H₂O₂) or Liquid Chlorine |
| Oxidisation Process | UV |
| Warranty | 2 years (Europe) / 1 year (outside Europe) |
🔬 How It Works
The H.R.UV-C Double Pro employs advanced UV-C technology combined with a revolutionary super reflective chamber and intelligent chemical dosing:
Water enters H.R.UV-C → Passes through E-PTFE reflective chamber → Dual UV-C lamps destroy microorganisms → Dosing pump adds residual sanitiser →
1️⃣ E-PTFE SUPER REFLECTIVE CHAMBER
The unique E-PTFE (Expanded Polytetrafluoroethylene) reaction chamber provides the highest UV reflective index on the market. This extremely repellent material maintains up to 95% UV reflection, dramatically amplifying the exposure of microorganisms to sterilising UV-C radiation.
2️⃣ DUAL UV-C LAMP STERILISATION
The powerful dual 55W low pressure/high output UV-C lamps (110W total) emit germicidal ultraviolet light at 254 nanometres. This wavelength penetrates microorganism cell walls and disrupts their DNA/RNA, preventing reproduction and effectively neutralising:
- Bacteria
- Viruses
- Algae
- Fungi
- Parasites (including Cryptosporidium and Giardia)
3️⃣ AMPLIFIED PATHOGEN DESTRUCTION
The combination of dual UV lamps and the super reflective E-PTFE chamber means microorganisms receive multiple exposures to UV-C radiation as light reflects throughout the chamber. This dramatically increases sterilisation efficiency compared to standard UV systems.
4️⃣ INTELLIGENT CHEMICAL DOSING
The integrated peristaltic dosing pump automatically delivers hydrogen peroxide (H₂O₂) or liquid chlorine at your programmed time each day, ensuring consistent residual sanitisation between UV treatments.
→ Only sterilised and sanitised water returns to your pool
🖥️ Digital Lamp Life Countdown System
The H.R.UV-C Double Pro features an advanced digital lamp life indicator with precise countdown display:
| LED Colour | Hours Remaining | Display | Action Required |
|---|---|---|---|
| 🟢 Green | 9,000 – 500 hours | UV Life XXXX Hrs | Normal operation |
| 🟡 Amber | 499 – 1 hours | UV Life XXX Hrs | Order replacement lamps |
| 🔴 Red | 0 hours | UV Life 0 Hrs | Replace lamps immediately |
Digital Display Features:
- Precise Countdown – Shows exact hours remaining (not just status)
- Current Time Display – Built-in clock shows current time
- Power Failure Protection – Programmed settings retained during power loss
- Multi-Language Menu – English (default), plus additional languages available
Resetting the Lamp Life Timer:
After replacing the UV lamps:
- Navigate to ‘UV Lamp Life’ mode using ▲/▼ buttons
- Select ‘Reset UV Lamp’ and press OK
- Press and hold OK until display shows ‘SAVED’
- Display will show ‘UV Life 9,000 Hrs’ confirming reset
💡 Note: The UV lamp switches off automatically when the dosing pump is operating (and for 30 minutes after dosing completes) and when water flow is insufficient.
💧 Intelligent Dosing Pump System
The H.R.UV-C Double Pro includes an integrated intelligent peristaltic dosing pump for automated chemical delivery:
Supported Chemicals:
| Chemical Type | Mode | Dosing Schedule |
|---|---|---|
| Hydrogen Peroxide (H₂O₂) | H2O2 | Single daily dose |
| Liquid Chlorine | CHLORINE | Split dose (CL1 + CL2) |
Key Dosing Features:
✅ Programmable Daily Dosing – Set exact time and volume for automatic operation
✅ 24-Hour Format – Programme dosing time in 24-hour clock format
✅ Temperature Compensation – Automatic adjustment for H₂O₂ based on water temperature
✅ Shock Dose Function – Instant manual dosing when needed
✅ Split Dosing (Chlorine) – Morning (CL1) and afternoon (CL2) doses for even distribution
✅ Power Failure Protection – Settings retained; only clock needs reset after 3+ hours
📊 Recommended Dosing Tables
Hydrogen Peroxide (H₂O₂) Dosing – 32% Concentration at 28°C:
| Pool Volume | Daily Dose |
|---|---|
| 35m³ | 200 ml/day |
| 50m³ | 320 ml/day |
| 60m³ | 420 ml/day |
| 80m³ | 620 ml/day |
| 90m³ | 700 ml/day |
| 100m³ | 800 ml/day |
| 110m³ | 880 ml/day |
| 130m³ | 1,040 ml/day |
| 150m³ | 1,200 ml/day |
💡 Note: For 12% H₂O₂ concentration, multiply dosage by 3. The controller automatically adjusts for water temperature.
Liquid Chlorine Dosing (Split into CL1 + CL2):
| Pool Volume | Total Daily Dose | CL1 (Morning) | CL2 (Afternoon) |
|---|---|---|---|
| 10m³ | 200 ml/day | 100 ml | 100 ml |
| 20m³ | 400 ml/day | 200 ml | 200 ml |
| 30m³ | 600 ml/day | 300 ml | 300 ml |
| 40m³ | 800 ml/day | 400 ml | 400 ml |
| 50m³ | 1,000 ml/day | 500 ml | 500 ml |
| 60m³ | 1,200 ml/day | 600 ml | 600 ml |
💡 Note: Dosage is approximate and depends on pool volume, water type, temperature, bather loading, and weather conditions. Regularly check free chlorine levels and adjust as required.
⚡ Shock Dose Function
The shock dose feature enables immediate chemical dosing for situations requiring rapid water treatment:
When to Use Shock Dose:
- After heavy bather loading
- Following pool parties or events
- When water quality tests indicate issues
- After heavy rainfall or contamination
- When opening pool after extended closure
How to Activate:
- Navigate to ‘SHOCK DOSE’ using ▲/▼ buttons
- Press OK to select
- Use ▲/▼ to set desired volume (ml)
- Press OK to confirm — dosing begins immediately
⚠️ Note: Shock dose only operates when the main filtration pump is running.
⚡ Electrical Requirements
| Specification | Value |
|---|---|
| Supply Voltage | Single Phase 100V ~ 240V |
| Frequency | 50/60 Hz |
| Maximum Power Consumption | 128W |
| Plug Type | UK 3-pin (BS 1363) |
⚠️ IMPORTANT ELECTRICAL SAFETY INFORMATION:
All electrical work must be carried out by a qualified electrician in accordance with UK wiring regulations (BS 7671).
- This unit must be earthed
- Power must be supplied through a Residual Current Device (RCD) with a rated residual operating current not exceeding 30mA
- An Electrical Installation Certificate must be provided on completion of installation
- The manufacturer will not be liable for any issues caused by poor or improper installation
- Any alterations made to the unit will affect the warranty
🔄 Compatibility
Water Connections:
| Connection | Size |
|---|---|
| Main Unions | 2″ / 63mm stepped ABS |
| Reducers Included | 1½” / 50mm |
Flow Requirements:
| Parameter | Value |
|---|---|
| Maximum Flow Rate | 32m³/h (32,000 litres per hour) |
| Maximum Working Pressure | 3 Bar |
💡 Note: A higher flow rate will require the installation of a bypass to prevent damage to the unit.
Water Type:
- Fresh water pools ✅
- Salt chlorinated pools ✅
- Sea water pools ✅
Water Quality Requirements:
| Parameter | Required Range |
|---|---|
| pH | 6.8 – 8.0 |
| Total Alkalinity (TA) | 80 – 140 ppm |
| Chloride Content | Maximum 150 mg/litre |
| Free Chlorine | 2.0 mg/litre |
| Total Bromine | Maximum 4.5 mg/litre |
| TDS/Calcium Hardness | 200 – 1,000 ppm |
⚠️ Failure to meet water quality limits will void the warranty.
Installation Position:
PUMP → FILTER → HEATER → ⭐ H.R.UV-C PRO ⭐ → POOL
↑ ↑
Dosing Pump Injects Non-Return Valve
Chemical Here
The H.R.UV-C Pro must be installed downstream (after) pumps, filters and heating devices. The integrated dosing pump injects chemicals directly into the treated water flow.
🛠️ Installation
Mounting Requirements:
| Requirement | Specification |
|---|---|
| Position | Vertical or horizontal wall mounting |
| Clearance | Minimum 1 metre from one side for lamp access |
| Fixing | Wall mounting kit included |
| Environment | Dry, permanent, weather-proof area |
Critical Installation Notes:
⚠️ Install AFTER pump, filter and heater
⚠️ Do not run this unit dry
⚠️ Do not cover this unit
⚠️ The unit must not be submerged in water
⚠️ Leave minimum 1 metre clearance for lamp/quartz sleeve replacement
⚠️ Must be installed within a dry, permanent weather-proof area
⚠️ If water or moisture enters the enclosure, warranty will be void
💡 Tip: Flow direction is factory set for water entering on the left and exiting on the right. This can be reversed by rotating the flow switch 180 degrees (½ turn) if required.
💡 Winter Storage: If unused during winter months, drain the unit to prevent frost damage. Water must not be allowed to freeze inside the unit.
Dosing Pump Setup:
The dosing pump comes with suction tube assembly including foot valve strainer. Place the foot valve strainer into your chemical container and connect the tubing following the included instructions.
🔧 Maintenance
Routine Tasks:
| Task | Frequency |
|---|---|
| Check lamp life display | Monthly |
| Inspect connections for leaks | Monthly |
| Check chemical container level | Weekly |
| Replace UV lamps | When display shows 0 hours / 9,000 hours |
| Clean quartz sleeves | During lamp replacement |
| Replace O-rings | Annually |
| Inspect lamp connectors | Annually |
| Replace dosing tube | Every 6-12 months |
Digital Lamp Life Indicator:
| LED Status | Display | Action |
|---|---|---|
| 🟢 Green | 9,000–500 hours | Normal operation |
| 🟡 Amber | 499–1 hours | Order replacement lamps |
| 🔴 Red | 0 hours | Replace lamps immediately |
Annual UV Maintenance Includes:
- Changing lamps if necessary (both lamps for Double model)
- Inspection and cleaning of quartz sleeves (replace if any cracks are discovered)
- Replacing all O-rings
- Replacing lamp connectors if corroded, wet, damaged or overheated
- Inspecting plastic body and blue compression fittings for excessive wear
Dosing Pump Maintenance:
The dosing tube should be changed every 6-12 months to maintain optimal performance and prevent wear. Follow the step-by-step instructions in the manual for tube replacement.
⚠️ Important: Before performing any maintenance, isolate from the main power supply, turn off the circulation pump, and drain the unit.
⚠️ Warning: UV light is damaging to eyes and skin. Never handle or look directly at an illuminated UV lamp.
Replacement Parts Reference Codes:
- UV Lamp (each): SP-UV-LAMP-EL
- Quartz Sleeve: SP-UV-QS
- O-Ring Set: SP-UV-ORS
- Lamp Life LED: SP-UV-LLL-LF
💎 Benefits
| Benefit | Description |
|---|---|
| ✨ Supreme Sterilisation Efficiency | E-PTFE chamber with up to 95% UV reflection amplifies pathogen exposure |
| 🏊 High-Capacity Performance | Treats pools up to 110,000 litres with dual 55W lamps |
| 💧 Automated Chemical Dosing | Intelligent peristaltic pump for hands-free sanitisation |
| 🖥️ Digital Lamp Life Countdown | Precise hours remaining display with LED status |
| ⚡ Shock Dose Capability | Instant manual dosing for heavy bather loads |
| 🌡️ Temperature Compensation | Automatic H₂O₂ dosing adjustment for water temperature |
| 🦠 Destroys Chlorine-Resistant Pathogens | Neutralises bacteria, viruses, algae and fungi |
| 💧 Crystal Clear Water | Dual UV-C lamps plus automated dosing for pristine water |
| 🧪 Reduces Manual Chemical Handling | Programmable dosing reduces daily maintenance |
| 👃 Eliminates Chlorine Smell | UV sterilisation reduces chloramine formation |
| 🌿 No Harmful UV By-Products | Chemical-free sterilisation produces no gases |
| 📊 Complete Automation | Set and forget daily chemical dosing |
| 🛡️ Flow Switch Protection | Integrated safety monitoring prevents dry running |
| 🌊 Salt Water Safe | 100% compatible with chlorinated salt and sea water |
| 🇬🇧 UK Manufactured | Engineered and manufactured in Stevenage, England |
❓ Frequently Asked Questions
Q: What is the difference between Classic and Pro models?
A: The Pro model includes a digital lamp life countdown (showing exact hours remaining) instead of analogue indicator, plus an intelligent peristaltic dosing pump for automated chemical delivery. Classic models have analogue indicators and no dosing pump.
Q: What chemicals can the dosing pump handle?
A: The system is pre-programmed for two chemical types: Hydrogen Peroxide (H₂O₂/Active Oxygen) and Liquid Chlorine. The controller automatically adjusts H₂O₂ dosing based on water temperature.
Q: How does the chlorine dosing work?
A: For liquid chlorine, the daily dose is split into two deliveries — CL1 (morning) and CL2 (afternoon) — for more even distribution throughout the day. You programme the time and volume for each dose.
Q: What is the shock dose function?
A: Shock dose allows you to immediately deliver a chosen volume of chemical to the pool. This is useful after heavy bather loads, pool parties, or when water quality tests indicate issues.
Q: How often should I replace the dosing tube?
A: The dosing tube should be replaced every 6-12 months to maintain optimal performance and prevent wear.
Q: What size pool is this suitable for?
A: The HRP-110-UK is designed for pools up to 110,000 litres (110m³) with a minimum filtration turnaround of three times per day.
Q: Will this fit my system?
A: The H.R.UV-C connects via 2″/63mm stepped ABS unions, with reducers included for 1½”/50mm pipe. Maximum flow rate is 32m³/h.
Q: How long do the UV lamps last?
A: Each lamp has a usable life of 9,000 hours under normal conditions (approximately 2 years). The digital display shows exact hours remaining.
Q: What happens during a power cut?
A: Programmed settings (dosing volume and time) are retained during power loss. If power is off for more than 3 hours, the current time will need to be reprogrammed (indicated by flashing clock).
Q: Is this compatible with salt water?
A: Yes. The H.R.UV-C is 100% compatible with chlorinated salt water and sea water pools.
Q: What’s the warranty?
A: 2 years within Europe, 1 year outside Europe. The warranty does not include serviceable parts such as lamps, quartz sleeves, O-rings, and dosing tubes.
📥 Downloads
Product Data Sheet (PDF) – Complete technical specifications
Installation & Operating Manual (PDF) – Full installation and maintenance guide
Product Leaflet (PDF) – Features and benefits overview
🏆 Why Choose the Elecro H.R.UV-C Double Pro?
✅ Flagship Model – The most advanced H.R.UV-C system available
✅ Complete Automation – UV sterilisation plus automated chemical dosing in one unit
✅ Supreme Efficiency – E-PTFE chamber with up to 95% UV reflection
✅ High Capacity – Treats pools up to 110,000 litres with dual 110W lamps
✅ Digital Precision – Exact lamp life countdown with colour-coded status
✅ Intelligent Dosing – Programmable daily dosing with temperature compensation
✅ Shock Dose Ready – Instant manual dosing when needed
✅ Destroys Resistant Pathogens – Neutralises bacteria, viruses, algae and fungi
✅ Reduces Manual Handling – Automated chemical delivery minimises daily tasks
✅ Long Lamp Life – 9,000 hours (approximately 2 years) per lamp
✅ Salt Water Compatible – 100% safe for chlorinated salt and sea water systems
✅ UK Manufactured – Engineered and built by Elecro Engineering in Stevenage
✅ Comprehensive Warranty – 2-year warranty backed by UK-based manufacturer support
🤝 Why Buy from Parts4Tubs?
✅ UK-Based Company – Local support from our Northamptonshire headquarters
✅ Fast UK Delivery – Quick dispatch to get your pool running
✅ Expert Advice – Water treatment specialists available to help with product selection and dosing setup
✅ Competitive Pricing – Great value on genuine Elecro products
✅ Full Warranty Support – We support your warranty claims with the manufacturer
✅ Easy Returns – 30-day returns policy for peace of mind
✅ Replacement Parts Available – UV lamps, quartz sleeves, O-rings, and dosing tubes in stock
✨ Summary
The Elecro H.R.UV-C Double Pro (HRP-110-UK) is the flagship model in the H.R.UV-C range, combining powerful dual-lamp 110W UV-C sterilisation with an intelligent peristaltic dosing pump for complete automated water treatment. Featuring revolutionary E-PTFE super reflective chamber technology with up to 95% UV reflection, digital lamp life countdown with precise hours display, and programmable chemical dosing for hydrogen peroxide or liquid chlorine, this British-manufactured system delivers the ultimate in pool water treatment automation for pools up to 110,000 litres. With temperature-compensated dosing, shock dose capability, flow switch protection, 32m³/h flow capacity, and 100% salt water compatibility, the Double Pro eliminates guesswork from pool maintenance while destroying bacteria, viruses, algae, and fungi that traditional chemicals cannot. Backed by a 2-year European warranty.
















