AVG NRIBV-20F Female 20mm ¾” Non Return Isolation Duo Valve is Watermark approved and features a durable metal butterfly handle and an inbuilt one-way check valve which isolates the residential hot water system from the mains supply
• 1 × AW W40MLF Dual-Approved Gas and Water Ball Valve
The comparison photos between the 2 models are shown in the photo gallery for your reference
DN80/90 End Outer Diameter: 105
Reflex RPTR15I-1000 15mm 1000kPa PTR Pressure Temperature Relief Valve Black EPDM AVG NRIBV-20F Female 20mm ¾”Overview The Reflex RPTR15I 1000 15mm (1 2") 1000kPa PTR Pressure and Temperature Relief Valve, also known as TPR valve is used to regulate the water pressure inside hot water services, including heat pumps, electric, gas storage and solar water heaters across all mainstream brands in Australia such as Rheem, Vulcan, Rinnal, Dux, Aquamax, Thermann, Apricus and Solahart. The supplied insulation jackets reduce heat loss and improve the hot water