Product Name: Gestra SBO21
Brand: Gestra
Product Code: SBO21
Tags: Gestra
Gestra SBO21
Gravity Circulation Check SBO 21
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Description Check valve for installation downstream of circulating pumps in heating and hot water installations to prevent gravity circulation. End connection SBO 11: Vale inlet provided with a collar for fitting the union nut of the circulating pump. Valve outlet screwed female for direct connection to the feed line. SBO 21: Vale inlet provided with a collar for fitting the union nut of the circulating pump. Valve outlet screwed male for connecting an additional stop valve. SBO 31 Valve inlet screwed female for direct connection to the circulating pump. Valve outlet screwed male for fitting the nipple with gasket and union nut of the circulating pump.