Birchmeier 10504010 SB Trigger Valve Assembly (does not include wand)
https://www.qspray.com/product-category/weed-landscape-equipment - Qspray is proud to carry the highest quality lawn and pest control equipment available. We are proud to carry all Birchmeier backpacks, parts and repair kits available as well. The first place the quality offered in the Birchmeier line is obvious is the spray wand. Made of solid brass and its rebuildable/serviceable. If you buy that cheaper spray, should something happen to one ring or valve you basically have to toss the whole plastic thing, it's worthless. Birchmeier is made with top craftsmanship and made to have parts replaced when needed without having to throw the whole wand away. Something else that might not be known is Birchmeier offers a two year manufacturer's warranty, the only one in the industry. We stand by the Birchmeier quality when use and take care of their products properly.