Some lead-free valves require special handling and installation instructions. One manufacturer even designates a special, specific solder for sweating their valves. Not UltraPure
lead-free valves from Milwaukee Valve.
UltraPure valves have been tested with just about every lead-free solder in the market. Due to stout product design and exceptional metallurgy, the UltraPure products require no special steps, flux, solder or handling