You can find the current prices belongs to Kieselmann - 5506051030-041 coded L-shaped valve with 2" solder connections product. You can ask all the codes and references except 5506051030-041 too. It distinguishes with price and quality among the similar products. It produced result of tests of laborotory for years. 5506051030-041 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.
