Caleffi Pressure Relief Valve sits in the Home Improvement category, promising standard-thread pressure relief with a fixed 6 bar setting. Peace of mind comes from straightforward connections and reported robust build quality, ideal for anyone fitting or maintaining a sealed plumbing circuit. Does the specification and easy fitting match the needs of your system?
⚡ At a Glance
- • Pressure Rating: 6 bar relief, 3/4" loose nut to 1/2" BSP connection
- • Best for: Plumbers and competent DIYers who want easy-to-fit, reliable relief hardware
- • Not ideal for: Systems that require a higher relief setting than 6 bar or non-BSP fittings
3/4" loose nut to 1/2" BSP connection and a fixed 6 bar relief setting are the core features. User feedback highlights solid construction and straightforward installation.
Faster installation - with a 3/4" loose nut to 1/2" BSP connection
Threaded loose nut coupling aligns with standard 1/2" BSP threads, allowing rapid engagement during fitting. The connection type reduces the need for unconventional adaptors.
Quicker fitting for routine maintenance and repairs, useful for jobs where reducing plumber labour time matters.
Long-lasting performance - thanks to reported high-quality construction
Multiple user reports emphasise solid build and reliable assembly, indicating components and assembly suited to regular system cycles. Construction quality typically correlates with fewer early failures.
Lower likelihood of premature replacement, making it a dependable choice for ordinary plumbing maintenance over time.
Stable overpressure protection - with a fixed 6 bar relief setting
Actuation occurs at the designed relief pressure of 6 bar, allowing excess pressure to be vented when the threshold is reached. The fixed setting gives predictable system behaviour under overpressure conditions.
Helps protect sealed systems from overpressure events, reducing the risk of pressure-related faults.
✨ The 4 Key Reasons for Caleffi Pressure Relief Valve
- Easy installation - Speeds up fitting for routine plumbing jobs, saving on labour time
- High-quality construction - Extends service life, cutting the need for replacements over years
- Consistent relief action - Maintains system pressure control to prevent unexpected overpressure events
- Model 311501 identification - Clear identification simplifies maintenance and replacement part ordering
📋 Technical Details at a Glance
- Category: Home Improvement
- Brand: Caleffi
- Model: Pressure Relief Valve 311501
- Product type: VALVE
- Connection: 3/4" loose nut to 1/2" BSP
❓ Frequently Asked Questions
Q: What connection sizes are used for the valve?
A: The connection is 3/4" loose nut to 1/2" BSP, as stated in the product description.
Q: What is the relief pressure setting?
A: Relief is set to 6 bar, shown in the product description string.
Q: Is the valve straightforward to fit?
A: User feedback describes the item as quick and easy to install, indicating a straightforward fitting process.
🏆 Our Verdict
Suitable for plumbers and competent DIYers who need a standard-thread pressure relief valve with predictable operation. The combination of a 3/4" loose nut to 1/2" BSP connection and a fixed 6 bar relief pressure, backed by reports of solid construction, forms the main selling point. Cost-conscious buyers will find it a practical, long-lasting component for routine plumbing maintenance.
