Air vent valve HL900N (Hutterer &
Offer type: salePublished: 27.02.2015
Air vent valve HL900N (Hutterer Lechner) In Ukraine in winter frosted more than 50 % exhaust parts sewer rising mains.Method of struggle - remove Plugaru" and the height of the exhaust side of the riser must be in the range of 200-300 mm above the roof level.If for any reason this cannot be done,then you can install in the bathroom "suffering" apartment air valve for non-vented riser - HL900 or HL904. HL900 - air valve with a thick rubber membrane and protective mesh insect with the release of DN 50/70/100 only for installation in Weert.position on unvented sewer risers in the attic rooms or bathrooms,to supply air into the sewer to its normal, quiet operation
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Kovalenko Maksim Aleksandrovich
