Válvula de admisión de aire mini ventilación Studor 20341 para 1-1/2 pulgada a 2 pulgadas. PVC
The STUDOR AAV can be used in lieu of expensive and complex plumbing (open pipe) vent systems that penetrate roofs of buildings. Can be used as an individual, branch, circuit or stack vent. Vent up to 160 DFUs on a branch.