Watts Radiant Floor Heating Stainless Steel Manifolds

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Radiant Professionals Alliance

Maybe you've always thought "Brass was Best" when it came to manifolds, but when you see these Watts Dumser stainless manifolds, we think you'll want to try them on your next job.

You get what you pay for in Manifolds. Made from Heavy-walled, DIN-standard stainless steel tubing comes from Germany’s finest steel mills. This stainless tubing is carefully milled and machined by CNC machines, and robotically welded to meet the most exacting professional standards. Watts Radiant floor heating is proud to introduce these premium manifolds to North America. Matching fittings and accessories are made of solid brass and heavily plated with nickel to match the appearance of the pex tubing. The seats are machined and threaded into the manifold, not stamped and pressed in like cheaper brands. This makes the manifolds a more durable and longer life product.

Manifolds are priced in pairs, and come pre-attached to mounting brackets with vibration absorbing clamps.

Nominal 1" diameter trunks can be joined together to serve more circuits.
A wide range of optional accessories can be ordered.

Standard features include visual flow meters (gpm) on the supply manifold and combo balancing/shut off valves on the return manifold.

Transitional fittings available for PEX, PEX-AL-PEX and Onix with standard T-20F compression fittings.

Watts Radiant Manifolds 2010 Catalog (9 MB)

Watts Stainless Steel Manifold Flyer (755kb)

Watts Stainless Steel Manifold Spec Sheet

Watts Stainless Steel Manifold Submittal Form

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1 in. SS Manifold Elbow, Female BSP x Male BSP

Price: $31.34

D402178-N

1 in. x 1 in. Manifold Coupling

Price: $21.08

DK4000

1-1/2 in. SS Accessories Kit w/ 1-1/2 in. FNPT Isolation Ball Valves

Price: $203.77

D0708

1-1/2 in. SS Manifold x 1-1/2 in. Female Sweat Adapter

Price: $33.47

D3290010-N

1-1/2 in. Stainless Steel Manifold Coupling

Price: $22.98

PC690002

1/2 in. Crimp x 3/4 in. SS-T20 Swivel Fitting

Price: $8.42

690101

1/2 in. Male Sweat x 3/4 in. SS-T20 Circuit Sweat Adapter

Price: $4.89

689002-1

1/2 in. Onix x 3/4 in. BSP Swivel Fitting

Price: $6.90

PX690002

1/2 in. SS-T20F PEX Compression Fitting

Price: $8.33

RLC0501B08T20

1/2 in. SS-T20F PEX-AL-PEX Compression Fitting

Price: $7.00

PX690004

3/4 in. SS-T20F PEX Compression Fitting

Price: $12.11

RLC01B10T20

3/4 in. SS-T20F PEX-AL-PEX Compression Fitting

Price: $25.32

PC690001

3/8 in. Crimp x 3/4 in. SS-T20 Swivel Fitting

Price: $8.21

689001-1

3/8 in. Onix x 3/4 in. BSP Swivel Fitting

Price: $6.75

PX690001

3/8 in. SS-T20F PEX Compression Fitting

Price: $8.78

PC690003

5/8 in. Crimp x 3/4 in. SS-T20 Swivel Fitting

Price: $8.70

PX690003

5/8 in. SS-T20F PEX Compression Fitting

Price: $9.42

RLC01B06T20

5/8 in. SS-T20F PEX-AL-PEX Compression Fitting

Price: $7.45

D4201700-S

Circuit Isolation Cap

Price: $9.35

81005231

IsoTherm Replacement Assembly w/out Pump

Price: $466.50

81014940

IsoTherm Replacement Mixing Valve

Price: $176.65

81006990

IsoTherm Replacement Pump

Price: $109.78

D063064-N

Nickel Manifold End Cap

Price: $5.91

D4201715-N

Nickel Vent-and-Purge Assembly

Price: $34.54

D4201715-N2

Nickel Vent-and-Purge Assembly - New Version

Price: $34.54

D4402050

Pressure Differential By-pass Valve

Price: $155.15

D3151122N

Replacement Flowmeter with Isolation Valve for Stainless Manifold

Price: $20.34

D3151190N

Replacement Flowmeter with Valve for 1-1/2 in. Stainless Manifold (0-4 gpm)

Price: $20.34

390096

Replacement Neoprene Gasket for 1 in. Stainless Manifold

Price: $0.47

81005279

Replacement O-Ring for Brass Manifold Fittings

Price: $0.63

D6151005

Replacement Temperature Gauge for Isolation Ball Valves

Price: $14.27

D665161

SS Manifold Pressure Test Kit 1 in.

Price: $102.79

D665161-RENT

SS Manifold Pressure Test Kit 1 in. - Rental $39.99

Price: $102.79

D665261

SS Manifold Pressure Test Kit 1-1/2 in.

Price: $122.03

428337

SS Manifold replacement blue cap

Price: $2.36

D4201480

Transitional Fitting, 1 in. FBSP x 1 in. MNPT - 1 Ea

Price: $18.46

D0505

Transitional Fitting, 1 in. FBSP x 1 in. Sweat

Price: $12.14

D0504

Transitional Fitting, 1 in. FBSP x 3/4 in. Sweat

Price: $11.48

D4201720-NB

Trunk Isolation Ball Valve, FBSP x FNPT w/Blue Temp Gauge

Price: $42.15

D4201720-NR

Trunk Isolation Ball Valve, FBSP x FNPT w/Red Temp Gauge

Price: $42.15

PZ656104

Valve Actuator

Price: $43.81

D3804000SS

Watts 1 Branch Stainless Steel Add-A-Zone

Price: $145.44

DK1000

Watts 1 in. SS Manifold Accessories Kit w/ 1 in. FNPT Isolation Ball Valves

Price: $98.81

DK2000

Watts 1 in. SS Manifold Accessories Kit w/ 1 in. MNPT Manifold Adapters

Price: $67.34

DK3000

Watts 1 in. SS Manifold Accessories Kit w/ 1 in. Sweat Manifold Adapters

Price: $55.16

D3803010SS

Watts 10 Branch Stainless Steel 1 in. Flowmeter Manifold

Price: $462.04

D3807610SS

Watts 10 Branch Stainless Steel 1-1/2 in. Flowmeter Manifold

Price: $629.64

IWTG-KIT

Watts 100 PSI Manifold Pressure Test Kit

Price: $25.95

D3803011SS

Watts 11 Branch Stainless Steel 1 in. Flowmeter Manifold

Price: $500.36

D3803012SS

Watts 12 Branch Stainless Steel 1 in. Flowmeter Manifold

Price: $541.53

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