I haven't wired the valve up yet but it looks well built. Valves come in many configurations depending on how they work, making it easy to find one that works the way you want it to. Only downside is these are not full size valves, IOW they have limitations. I use this as a water heater shutdown if a leak is detected. I build my own system for this as the retail shutdown systems are overpriced compared to what they offer you and I can build my own for about 1/3 the price. The downside was that the 3/4 valve is too limited for this application so I had to scale down to a 1" valve and then install 1" to 3/4" reducer fittings on each side. Finding these fittings can be a real PITA and the 1 inch valve is a bit more expensive. While the cost of a full size valve body does increase the price of the valve somewhat, even to the price of the next larger valve, it will make life a lot easier for those of us who can't handle the limitations a full size valve would be , it would easily get 5 stars.
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