Water meter chambers are compact, monobloc products (without joints or welds), made of polyethylene (PE), manufactured using extrusion-blow molding technology. They are designed to protect the water meter and connection installation. Manufacturing conditions and general quality requirements for water meter chambers are included in Valrom Industrie Company Technical Standard STF 9/2005. Compact wall construction variant: single-layer wall made of compact material (mass-colored polyethylene). Thermal insulation is required when installing the chamber. Component elements – water meter chamber body – insulation gasket for lid – thermally insulated lid. The monobloc construction, thermally insulated lid, and sealing solutions for penetrations rubber gasket at the lid and for wall penetrations make water infiltration impossible and protect the interior installation from freezing. Technical approval and certification for use in construction.