DK Hardware offers top-class valves and accessories for commercial and residential heating and air conditioning projects. These products are manufactured from high-grade materials and pack in advanced features for delivering exceptional results. Check out the page below to find your perfect pick. We have the impressive Diversitech Tamper Resistant Valve Cap that seals the service valve to prevent illegal venting or theft of refrigerant. Another high-class product we have is the JB Industries Shield Locking Cap. It has an all brass, corrosion-resistant design to provide long-lasting performance. In case of queries, feel free to contact our experts; we will be happy to help.