Overview of Primary Product

ManualsBrandsViega ManualsHeating SuppliesStainless Manifold Supply Flow Meter Valve

PI-PR-518857 0412 (Stainless Manifold - Shutoff Balancing)

1 of 4

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Product

Instructions

Stainless Manifold Shut Off/Balancing

Stainless manifold is to be used in closed loop hydronic heating, cooling and snow melting systems. These

preassembled 1-1/4" diameter stainless supply and return manifolds come attached to two 6-5/8" spacing brackets

for compact remote mounting. This stainless manifold provides shut off and balancing valves for each circuit.

Manifolds used with flow rates up to 2 gpm per circuit, maximum of 18 gpm per manifold. The air bleeder and

purge valve are connected and factory tested. 1-1/4" Union connection, 1" NPT removable end caps. SVC Circuit

connection fittings are sold separately.

Dimensions

Height 12.1"

Depth 3.6"

Manifold Total Width

2 outlets 8.21"

3 outlets 10.2"

4 outlets 12.2"

5 outlets 14.1"

6 outlets 16.1"

7 outlets 18.1"

8 outlets 20.0"

9 outlets 22.0"

10 outlets 24.0"

11 outlets 25.9"

12 outlets 27.9"

Technical Data

1. 1-1/4” 304 Stainless Header Stock

2. Supply Manifold with Balancing valve/flow meter

3. Return Manifold with shut off valves (blue caps)

4. Factory installed air bleeders and purge valves

5. Mounting Brackets

6. Max. operating temperature: 180°F

Short periods of 200°F

7. Max. operating pressure: 100 psi

The return header is fitted with shut

off valves which are suitable to receive

optional 24V powerheads for control

over each circuit via thermostat.

Note: Use new style white cap

powerheads with this mainfold

(stock code #15061 2 wire powerheads

stock code #15064 4 wire powerheads).

1.18” 1.15”

6.63”

12.08”

3.56”

5.31”

11.22”

TOTAL WIDTH

* When extending the manifold, Viega requires using thread sealant paste on the 1”

NPT manifold end connection.

Summary of content (4 pages)

PAGE 1
Product Instructions Stainless Manifold Shut Off/Balancing Stainless manifold is to be used in closed loop hydronic heating, cooling and snow melting systems. These preassembled 1-1/4" diameter stainless supply and return manifolds come attached to two 6-5/8" spacing brackets for compact remote mounting. This stainless manifold provides shut off and balancing valves for each circuit. Manifolds used with flow rates up to 2 gpm per circuit, maximum of 18 gpm per manifold.
PAGE 2
Product Instructions Operation Circuit connection configuration End Connections 1. Use only Viega’s manifold adapters to connect manifold. EPDM sealing element 2. Make sure that EPDM sealing element is placed in union connection for proper seal. 3. DO NOT use teflon tape or thread sealant paste on union connection. 4. When extending the manifold, Viega requires using thread sealant paste on the 1” NPT manifold end connection. 1. Remove air bleeder.
PAGE 3
Product Instructions Pressure Testing Before the finish floor is installed and during concrete pouring the radiant system must be pressure tested. Air or water may be used as the medium. The following procedure is recommended by Viega. Check the local building codes for compliance or additional test requirements. Purge Valves 2 NOTE: If the tubing is damaged, repair punctured section with a compression coupling. Procedure: 1. Double check all connections to manifold to ensure proper seal. E s e 2.
PAGE 4
Product Instructions Initial Balancing System should be properly purged before balancing is done. Many times it is not possible to design the system using equal circuit lengths, so the system must be balanced in order to ensure proper flow to each circuit on the manifold. 1 2 3 4 Procedure (To begin balancing, all circuits must be in the closed position): 1. Use a 5 mm allen wrench (or included valve key) to remove black cap by turning counterclockwise. 2.