DZR Brass 4-In-1 Thermostatic Service Valve
Technical Specification
- Connection: Compression ends, BS EN 1254 2
- Additional features: Integrated isolation valves for service and maintenance
- Max pressure (static): 10 bar
- Max pressure (dynamic): 5 bar
- Temperature adjustment range: 30°C to 48°C
- Working temperature range: 38°C to 46°C
- Cold supply temperature: 5°C to 25°C
- Hot supply temperature: 55°C to 85°C
- Factory set outlet temperature: 38°C ±2°C
- Minimum temperature differential: 12°C between hot supply and outlet temperature
- Supply pressure imbalance dynamic: 2:1
- Minimum flow rate: 5 litres per minute
- Approvals: TMV2, TMV3, WRAS
Description
Engineered for safe and efficient hot water control, this 4 in 1 thermostatic service valve provides precise temperature regulation with the added convenience of built in isolation valves. The DZR brass body delivers strong resistance to corrosion and dezincification, making it well suited to demanding commercial and domestic installations. Designed to maintain a stable mixed water temperature even with varying supply conditions, it supports reliable operation across a wide range of system pressures and temperatures. The inclusion of isolation valves simplifies servicing and routine maintenance, reducing downtime and improving system efficiency.
Key Features & Benefits
- Integrated isolation valves: Allows easy servicing, maintenance, and temperature checks without system drain down
- Durable DZR brass construction: Offers long term corrosion resistance and reliability in harsh water conditions
- Certified thermostatic performance: TMV2, TMV3, and WRAS approvals ensure compliance with safety and water regulation standards
- Consistent outlet temperature: Maintains mixed water within ±2°C, supporting user safety and comfort
- Wide supply compatibility: Cold water from 5°C to 25°C and hot water up to 85°C for flexible installation environments
- Precise adjustment range: Allows temperature setting between 30°C and 48°C to suit different system requirements
- Reliable under pressure variation: Operates effectively with dynamic supply pressure imbalance up to 2:1
| SKU | DN (mm) | A (mm) | B (mm) | C (mm) | Weight (Kgs) |
| 492064 | 15 | 53.5 | 63 | 65 | 0.92 |
| 492065 | 22 | 53.5 | 67.5 | 65 | 1.03 |
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