Watts Stainless Steel Manifolds User guide

Watts
Brand
Watts
Model
Stainless Steel Manifolds
Type
User guide

This manual is also suitable for

Watts Flyer - Stainless Steel Manifolds Product Sheet

Watts Flyer - Stainless Steel Manifolds offer a range of benefits for your hydronic heating system. Here are some key capabilities and use cases:

  • Flexible design: Modular and customizable design allows for easy assembly and expansion of your system.
  • Precise flow control: Balancing knobs and dials enable fine-tuning of flow rates for optimal heating performance.
  • Leak-free connections: No sealant or Teflon is required, ensuring a secure and reliable connection.
  • Wide compatibility: Can be used with both PEX and Onix radiant tubing, providing versatility in your system design.

Watts Flyer - Stainless Steel Manifolds Product Sheet

Watts Flyer - Stainless Steel Manifolds offer a range of benefits for your hydronic heating system. Here are some key capabilities and use cases:

  • Flexible design: Modular and customizable design allows for easy assembly and expansion of your system.
  • Precise flow control: Balancing knobs and dials enable fine-tuning of flow rates for optimal heating performance.
  • Leak-free connections: No sealant or Teflon is required, ensuring a secure and reliable connection.
  • Wide compatibility: Can be used with both PEX and Onix radiant tubing, providing versatility in your system design.
Watts Radiant Stainless Steel Installation Literature No. 041304SS © Watts Radiant 2004 page 1
3131 W. Chestnut Expressway
Springfield, MO 65802
ph: 417.864.6108
fax: 417.864.8161
www.wattsradiant.com
Our new Stainless Steel manifolds offer several
great features:
* Flexible, modular and singular design system
* Easy-to-assemble construction
* Precise flow control and balancing
* Fittings for both PEX and Onix radiant tubing
* Control for hydronic floor heating, fan coil
heating, or baseboard heating
* No sealant, no teflon
Stainless Steel manifolds are sold in 1 to 12-branch pairs for
easy assembly in the field. They are 1” AISI 304 Stainless
Steel and can handle up to 12 gpm. Manifold sections are
easily connected together, if more circuits are required.
Simply thread two sections together with the use of
1” manifold coupling and tighten. Make sure the gasket is
installed prior to assembly.
Manifolds Are Sold In Pairs:
1) Balancing Valve Manifold (with optional Actuator)
2) Flow Indicator Manifold
Accessories
Accessories include Vent/Purge Assembly, Valve Actuator,
Transitional Fittings, Mounting Brackets (standard with
manifold pairs), and Lockable Manifold Boxes
(Vent/Purge, End Caps, Trunk Isolation Valves and
Transition Fittings all have flat gaskets that must be
installed without the use of sealants or teflon.)
Flow Balancing
Balancing is achieved by either:
1. Adjusting the Balancing Knob, or
2. Adjusting the dial located under the Adjustment
Cap. Dial is adjusted with the use of the
Adjustment Key. The key comes attached to the
manifold via nylon tie.
Flow can be visually fine-tuned by viewing the sight glass
indicator while adjusting the balancing valve on the return
manifold.
On-Off Circuit Control
For systems requiring individual circuit thermostatic control,
an electronic Valve Actuator is installed. Valve Actuators are
four-wire, to connect to the zone thermostat and use end
switch wires to activate the circulator. With this arrangement,
every room can be thermostatically controlled from one cen-
tral distribution manifold.
Note:
Depending on the actuator style used, some circuit adjustment
may be necessary.
Additional flow control can be achieved by installing
individual circuit isolation mini-ball valves. These valves
allow for balancing and shut-off capabilities without having
to remove the adjustment cap or thermal actuator.
Note:
1) Stainless Steel Manifolds can be used to control fan coils
or baseboard units, as well as floor heating.
2) Manifolds are not intended to exceed 87 psi at 194°F
operating conditions.
ITEM NUMBER
DESCRIPTION LIST PRICE
D3804000SS . . . . . . . . .M1 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$144.00
D3803002SS . . . . . . . . .M2 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$178.00
D3803003SS . . . . . . . . .M3 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$225.75
D3803004SS . . . . . . . . .M4 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$273.00
D3803005SS . . . . . . . . .M5 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$355.00
D3803006SS . . . . . . . . .M6 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$383.25
D3803007SS . . . . . . . . .M7 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$427.00
D3803008SS . . . . . . . . .M8 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$472.50
D3803009SS . . . . . . . . .M9 Stainless Steel Manifold Pair with Flow Meters . . . . . . . . .$522.00
D3803010SS . . . . . . . . .M10 Stainless Steel Manifold Pair with Flow Meters . . . . . . . .$572.25
D3803011SS . . . . . . . . .M11 Stainless Steel Manifold Pair with Flow Meters . . . . . . . .$624.00
D3803012SS . . . . . . . . .M12 Stainless Steel Manifold Pair with Flow Meters . . . . . . . .$677.25
D4201720-N . . . . . . . . .Trunk Isolation Ball Valve with Temperature Gauge . . . . . . . . .$48.90
D4201715-N . . . . . . . . .Vent and Purge Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$35.70
D063064-N . . . . . . . . .Manifold End Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$6.06
D4201480-N . . . . . . . . .BSP to NPT Transition Fitting . . . . . . . . . . . . . . . . . . . . . . . . . .$31.50
D402178-N . . . . . . . . .1” x 1” Manifold Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$20.88
D4201480-N . . . . . . . . .Circuit Isolation Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$9.36
D4201710-N . . . . . . . . .Circuit Isolation Mini Ball Valve . . . . . . . . . . . . . . . . . . . . . . . .$23.10
PZ656104 . . . . . . . . .Valve Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$63.00
Note:
- Order T-20 Compression PEX fittings or Onix fittings and clamps separately.
- Stainless Steel manifolds can be ordered fully-assembled with all optional components for 15%
above the cost of all components.
- (Vent/Purge, End Caps, Trunk Isolation Valves and Transition Fittings all have flat gaskets that must be
installed without the use of sealants or teflon.)
ACTUATOR
1"NPT
RETURN
WattsRadiant
Optional Circuit Actuator
Typical Manifold Assembly
WattsRadiant
S
UPPLY
Product Bulletin:
Stainless Steel Manifolds
Watts Radiant Stainless Steel Installation Literature No. 041304SS © Watts Radiant 2004 page 2
3131 W. Chestnut Expressway
Springfield, MO 65802
ph: 417.864.6108
fax: 417.864.8161
www.wattsradiant.com
1
1
2
"
3
1
8
"
1
11
16
"
2
5
8
"
1"NPT
5
8
"
1
1
2
"
1
5
8
"
2
1
2
"
8
1
4
"
2
3
16
"
2"
4
1
2
"
11
16
"
1
7
16
"
1
5
16
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2
5
8
"
1
15
16
"
Balance Valve
Adjustment Knob
L
Manual Key Vent
Valve Flow
Adjustment Key
Vent/Purge Assembly
Gasket
Trunk Isolation Valve
with Temperature Gauge
Mounting Bracket
Circuit Isolation Plug
Replace Flow Indicator
with Isolation Plug
Flow Indicator
End Cap
BSP (straight thread)
to
Circuit Mini
Ball Valve
3/4” BSP Connection
to PEX or Onix Fittings
WattsRadiant
WattsRadiant
RETURN
SUPPLY
Manifold Sizes 2 3 4 5 6 7 8 9 10 11 12
Length (L) inches 7.28 9.25 11.22 13.19 15.16 17.13 19.09 21.06 23.03 25.00 26.97
Attachment Nut
Purge Open/Close
The manual vent at the top of the
Vent/Purge assembly uses a directional
discharge cap. Turn the white cap to aim
the pressure discharge.
Vent/Purge Assembly incorporates a
built in purge valve. The valve is opened
by loosening the lower nut. To close the
valve, tighten the lower nut.
The Attachment Nut should not be
adjusted as this will remove the valve
from the assembly.
When tightening the compression nut,
hold the base firmly with a thin profile
box wrench. Do not let the base nut
tighten or loosen while adjusting the
compression fit.
Make sure to tighten the compression nut to 20
in-pounds of torque. If a torque wrench is
unavailable, tighten until snug and then one
additional 1/4” turn.
(Note: The compression sleeve is “directional”.
It is barbed on the inside to help lock the PEX in
place. Slide the sleeve onto the PEX so the
groove on the outside of the sleeve is closest to
the insert fitting - see diagram above).
Circuit Isolation Cap
Make sure o-ring seal is in
place to ensure a proper seal.
Gaskets must be installed.
Thread sealants or Teflon
are not
required.
Gasket
Gasket
Product Bulletin:
Stainless Steel Manifolds
  • Page 1 1
  • Page 2 2

Watts Stainless Steel Manifolds User guide

Watts
Brand
Watts
Model
Stainless Steel Manifolds
Type
User guide
This manual is also suitable for

Watts Flyer - Stainless Steel Manifolds Product Sheet

Watts Flyer - Stainless Steel Manifolds offer a range of benefits for your hydronic heating system. Here are some key capabilities and use cases:

  • Flexible design: Modular and customizable design allows for easy assembly and expansion of your system.
  • Precise flow control: Balancing knobs and dials enable fine-tuning of flow rates for optimal heating performance.
  • Leak-free connections: No sealant or Teflon is required, ensuring a secure and reliable connection.
  • Wide compatibility: Can be used with both PEX and Onix radiant tubing, providing versatility in your system design.
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