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The Deva NRV15 is a 15mm brass single check valve designed to prevent water backflow in domestic plumbing and heating systems. Its corrosion-resistant construction and easy installation make it a reliable, maintenance-friendly choice for showers, toilets, and outdoor taps, ensuring hygienic, efficient water flow with minimal noise and pressure fluctuations.

| ASIN | B007XHD2N0 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 279,357 in DIY & Tools ( See Top 100 in DIY & Tools ) 395 in Valves (DIY & Tools) |
| Certification | ISO 9001 |
| Customer Reviews | 4.5 4.5 out of 5 stars (150) |
| Date First Available | 30 Mar. 2012 |
| Guaranteed software updates until | unknown |
| Included Components | Check Valve |
| Item Package Quantity | 1 |
| Item Weight | 114 g |
| Item model number | NRV15 |
| Manufacturer | Methven |
| Material | Brass |
| Maximum Pressure | 0.1 Bars |
| Part Number | NRV15 |
| Product Dimensions | 6.3 x 1.4 x 1.5 cm; 114 g |
| Size | 15 mm |
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