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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
Image Model Name Price Add to Cart
isotherm.jpg 81006990 IsoTherm Replacement Pump Price: $109.78
 
isotherm.jpg 81014940 IsoTherm Replacement Mixing Valve Price: $176.65
 
isotherm.jpg 81005231 IsoTherm Replacement Assembly w/out Pump Price: $466.50
 
Stainless Manifold Assy D3807604SS Watts 4 Branch Stainless Steel 1-1/2 in. Flowmeter Manifold Price: $300.53
 
Stainless Manifold Assy D3807605SS Watts 5 Branch Stainless Steel 1-1/2 in. Flowmeter Manifold Price: $368.62
 
Stainless Manifold Assy D3807606SS Watts 6 Branch Stainless Steel 1-1/2 in. Flowmeter Manifold Price: $421.70
 
Stainless Manifold Assy D3807608SS Watts 8 Branch Stainless Steel 1-1/2 in. Flowmeter Manifold Price: $519.89
 
Stainless Manifold Assy D3807610SS Watts 10 Branch Stainless Steel 1-1/2 in. Flowmeter Manifold Price: $629.64
 
Stainless Manifold Assy D3807612SS Watts 12 Branch Stainless Steel 1-1/2 in. Flowmeter Manifold Price: $850.35
 
ballvalve kit.jpg DK4000 1-1/2 in. SS Accessories Kit w/ 1-1/2 in. FNPT Isolation Ball Valves Price: $203.77
 
pressure test kit.jpg D665261 SS Manifold Pressure Test Kit 1-1/2 in. Price: $122.03
 
manifold union.jpg D3290010-N 1-1/2 in. Stainless Steel Manifold Coupling Price: $22.98
 
D0504.jpg D0708 1-1/2 in. SS Manifold x 1-1/2 in. Female Sweat Adapter Price: $33.47
 
stainless_manifold_flow_callout.jpg D3151190N Replacement Flowmeter with Valve for 1-1/2 in. Stainless Manifold (0-4 gpm) Price: $20.34
 
IWTG-assy.png IWTG-KIT Watts 100 PSI Manifold Pressure Test Kit Price: $25.95
 
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