Customers praise the product's excellent performance, noting its ability to achieve perfect simmering and prevent burning. It is highly compatible with various gas ranges, including Verona and BlueStar models, and is described as a perfect fit. The product's functionality is consistently highlighted, effectively solving the issue of burners being too hot for simmering. Customers also find it to be a great value, especially when compared to lighter, cheaper alternatives, and appreciate its solid, well-made quality.