Install Instructions

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IM-PF 724596 1021 PureFlow Water System (EN)
Table of Contents
6 Viega PureFlow System Design Considerations _____________ 28
6.1 Home Run Systems ___________________________________ 28
6.2 Combination Systems _________________________________ 29
6.3 Branch-and-Tee Systems ______________________________ 29
6.4 ManaBloc ___________________________________________ 30
6.4.1 Supply and Distribution Line Sizing ______________ 30
6.4.2 Home Run Systems ___________________________ 31
6.4.2.1 Design Factors for Home Run System ___ 31
6.4.2.2 Plumbing Code Compliance (Home Run /
Parallel Systems) _____________________ 32
6.4.3 Combination Systems _________________________ 32
6.4.3.1 Design Factors for Combination Systems 32
6.4.4 Branch-and-Tee Systems ______________________ 32
6.4.4.1 Design Factors for Branch-and-Tee
Systems ____________________________ 32
6.5 System Sizing and Calculations _________________________ 33
6.5.1 General _____________________________________ 33
6.5.2 Viega PureFlow Fittings Sizing __________________ 33
6.5.2.1 Viega PureFlow Press Friction Loss ______ 33
6.5.2.2 Viega PureFlow Crimp Friction Loss _____ 33
6.5.3 Viega PureFlow PEX Tubing ____________________ 34
6.5.3.1 Flow Velocity ________________________ 34
6.5.3.2 Pressure Loss _______________________ 35
7 Water Service Installation _________________________________ 36
7.1 Below Grade and Service Line __________________________ 36
7.2 Foundation Penetration ________________________________ 37
7.3 Direct Burial of Viega PureFlow Fittings ___________________ 37
7.4 Concrete ____________________________________________ 38
7.5 Installing Under the Slab _______________________________ 38
8 Installing the ManaBloc ___________________________________ 39
8.1 Overview ____________________________________________ 39
8.2 Location ____________________________________________ 39
8.3 Draining the ManaBloc Unit ____________________________ 42
8.4 Draining the ManaBloc System _________________________ 43
8.5 Multiple ManaBloc Installations _________________________ 43
8.5.1 Locating a Remote ManaBloc __________________ 43
9 Mounting the ManaBloc ___________________________________ 44
9.1 Mounting Between Studs with Mounting Straps ___________ 44
9.2 Mounting Between Studs without Mounting Straps ________ 47
9.3 Mounting the ManaBloc – Surface Mount ________________ 48
9.4 Mounting the MiniBloc ________________________________ 49
9.5 Mounting PureFlow Press and PureFlow Crimp Polymer
Manifold ____________________________________________ 50