AVG HTCV-15F-15C-250-LF 15mm 1/2" Solar Rated Non Return One Way Check Valve Chrome Plated The genuine Deks DFE104B 75–175mm

The genuine Deks DFE104B 75–175mm (3–7") Black EPDM Dektite Premium #4 is ideal for roof penetration applications such as pipes

this the newer and updated version of AVG NRI-PRV-15C combo and it no longer has a 6mm pressure test point to insert a pressure gauge

The TVA25HF-LF tempering valve can automatically mix the cold and hot water inputs and outputs a steady 50 deg hot water after mixing

which enhances its suitability for use in bushfire-prone areas by providing additional safety and long-term reliability

The AW stainless steel braided flexible hoses of 20mm and above use tried and trusted EPDM inner materials capable of handing a maximum temperature rating of 80°c and a maximum pressure rating of 1000kPa

AVG HTCV-15F-15C-250-LF 15mm 1/2" Solar Rated Non Return One Way Check Valve Chrome Plated The genuine Deks DFE104B 75–175mmOverview AVG HTCV 15F 15C 250 LF Solar Rated Non Return One Way Check Valve is spring loaded and designed to prevent the high temperature backflow from the roof collectors present in solar hot water systems. In order to survive this high temperature working environment, the AVG check valves are constructed with lead free DR brass body, silicone seals and high temperature rated brass stainless steel internals. During the operation of solar hot water