Non Return Valve – Spring Check Valve Tested 15mm (Suitable Solar) Posted onSeptember 7, 2020September 29, 2020AuthorMichelle SKU: NR1015 Category: Hot Water Control Valves Description Description Features: Watermark approved DR Brass Suitable for vertical and horizontal installations High flow design with minimal head loss Tested and certified to AS 1628 Related products 20mm Tempering Valve Hi Performance (Solar and Instant Gas) Read more 20mm Pressure Limiting Valve – Adjustable 150-600kPa Read more Hot Water System Valves – Non Return Isolation Valve Read more Pressure and Temperature Relief Valve Read more