The durable construction of TempControl valves - crafted from brass, bronze, and stainless steel materials - not only showcases Symmons' unwavering dedication to quality, but also ensures longevity and reliability in performance. The TempControl cartridge designed for the 7-400 valve is a testament to Symmons' commitment to excellence, providing precise temperature control and lasting durability. Trust Symmons to deliver a high-quality brass, bronze, and stainless steel construction TempControl cartridge that meets the stringent standards of quality and durability needed for dependable temperature regulation in any setting.