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Plumbing Deals provides high-quality rough plumbing parts at competitive prices. From ProPress fittings to backflow preventers, we've got your next project covered. Shop top brands for durable plumbing solutions.

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4971 products

White rectangular manifold housing box with recessed door and blue latch on lower right corner.

Caleffi 659104 Manifold Housing Box:up to13 outlet assy

SKU #: CALE659104   |   MPN #: 659104

Regular price $515.92
Sale price $515.92 Regular price $0.00
MSRP: $613

Special Order

Black and brass Caleffi flow meter with digital display, adjustment knobs, and threaded brass connection fitting.

Caleffi F0000941 Replacement flow meter for QS+ 2.0 to 7.0 GPM

SKU #: CALEF0000941   |   MPN #: F0000941

Regular price $114.25
Sale price $114.25 Regular price $0.00
MSRP: $141

Special Order

Black and brass flow meter with measurement scale, side adjustment knobs, and metal ring connector at bottom.

Caleffi F0000940 Replacement flow meter for QS+ 0.5 to 1.75 GPM

SKU #: CALEF0000940   |   MPN #: F0000940

Regular price $114.25
Sale price $114.25 Regular price $0.00
MSRP: $141

Special Order

Caleffi flow meter with black cylindrical body, brass fittings, scale markings, and red indicator needle.

Caleffi F0000945 Replacement flow meter 12 to 50 GPM

SKU #: CALEF0000945   |   MPN #: F0000945

Regular price $121.01
Sale price $121.01 Regular price $0.00
MSRP: $150

Special Order

Caleffi flow meter with brass fittings, black measuring body, and attached ring connector.

Caleffi F0000944 Replacement flow meter 8 to 32 GPM

SKU #: CALEF0000944   |   MPN #: F0000944

Regular price $121.01
Sale price $121.01 Regular price $0.00
MSRP: $150

Special Order

Caleffi Hydronic Solutions logo in green with company name and tagline.

Caleffi 6686G5S1A TwistFlow Radiant Manifold Assembly 7 loop 1"

SKU #: CALE6686G5S1A   |   MPN #: 6686G5S1A

Regular price $896.47
Sale price $896.47 Regular price $0.00
MSRP: $1,132

Special Order

Caleffi flow meter with brass top and bottom fittings, black body with measurement scale, and metal ring attachment.

Caleffi F0000947 Replacement flow meter 38 to 148 GPM

SKU #: CALEF0000947   |   MPN #: F0000947

Regular price $127.02
Sale price $127.02 Regular price $0.00
MSRP: $158

Special Order

Caleffi Hydronic Solutions company logo in green text.

Caleffi 6686E5S1A TwistFlow Radiant Manifold Assembly 5 loop 1"

SKU #: CALE6686E5S1A   |   MPN #: 6686E5S1A

Regular price $735.53
Sale price $735.53 Regular price $0.00
MSRP: $924

Special Order

Caleffi flow meter with black cylindrical body, brass fittings, scale markings, and adjustment knobs.

Caleffi F0000946 Replacement flow meter 30 to 105 GPM

SKU #: CALEF0000946   |   MPN #: F0000946

Regular price $127.02
Sale price $127.02 Regular price $0.00
MSRP: $158

Special Order

Caleffi brass radiant heating manifold assembly with dual loops, gauges, ball valves, and multiple outlet connections.

Caleffi 6686H5S1A IN TwistFlow Radiant Manifold Assembly 8 loop 1" INVERTED

SKU #: CALE6686H5S1AIN   |   MPN #: 6686H5S1A IN

Regular price $978.36
Sale price $978.36 Regular price $0.00
MSRP: $1,239

Special Order

Caleffi TwistFlow radiant manifold assembly with dual brass headers, five loops, pressure gauges, and shut-off valves.

Caleffi 6686E5S1A IN TwistFlow Radiant Manifold Assembly 5 loop 1" INVERTED

SKU #: CALE6686E5S1AIN   |   MPN #: 6686E5S1A IN

Regular price $735.53
Sale price $735.53 Regular price $0.00
MSRP: $924

Special Order

Brass radiant manifold assembly with two horizontal bars, blue and red isolation valves, eight outlet ports with white caps p

Caleffi 6686D5S1A TwistFlow Radiant Manifold Assembly 4 loop 1"

SKU #: CALE6686D5S1A   |   MPN #: 6686D5S1A

Regular price $655.94
Sale price $655.94 Regular price $0.00
MSRP: $821

Special Order

Caleffi Hydronic Solutions logo in green text on white background.

Caleffi 6686F5S1A TwistFlow Radiant Manifold Assembly 6 loop 1"

SKU #: CALE6686F5S1A   |   MPN #: 6686F5S1A

Regular price $817.57
Sale price $817.57 Regular price $0.00
MSRP: $1,029

Special Order

Caleffi radiant manifold assembly with dual brass distribution bars, four loops each, shut-off valves, and pressure gauges.

Caleffi 6687D5S1A IN TwistFlow Radiant Manifold Assembly 4 loop 1 1/4" INVERTED

SKU #: CALE6687D5S1AIN   |   MPN #: 6687D5S1A IN

Regular price $689.28
Sale price $689.28 Regular price $0.00
MSRP: $865

Special Order

Caleffi 6686C5S1A TwistFlow Radiant Manifold Assembly 3 loop 1"

SKU #: CALE6686C5S1A   |   MPN #: 6686C5S1A

Regular price $576.89
Sale price $576.89 Regular price $0.00
MSRP: $718

Special Order

Caleffi TwistFlow radiant manifold assembly with seven brass loops, pressure gauges, red and blue ball valves, and metal moun

Caleffi 6686G5S1A IN TwistFlow Radiant Manifold Assembly 7 loop 1" INVERTED

SKU #: CALE6686G5S1AIN   |   MPN #: 6686G5S1A IN

Regular price $896.47
Sale price $896.47 Regular price $0.00
MSRP: $1,132

Special Order

Brass radiant manifold assembly with five loops, isolation valves, flow meters, and threaded connections on upper and lower r

Caleffi 6687E5S1A TwistFlow Radiant Manifold Assembly 5 loop 1 1/4"

SKU #: CALE6687E5S1A   |   MPN #: 6687E5S1A

Regular price $769.60
Sale price $769.60 Regular price $0.00
MSRP: $969

Special Order

Caleffi brass radiant manifold assembly with dual loops, isolation valves, pressure gauges, and chrome loop connectors.

Caleffi 6686F5S1A IN TwistFlow Radiant Manifold Assembly 6 loop 1" INVERTED

SKU #: CALE6686F5S1AIN   |   MPN #: 6686F5S1A IN

Regular price $817.57
Sale price $817.57 Regular price $0.00
MSRP: $1,029

Special Order

Caleffi Hydronic Solutions logo with green text and circular icon on white background.

Caleffi 6686H5S1A TwistFlow Radiant Manifold Assembly 8 loop 1"

SKU #: CALE6686H5S1A   |   MPN #: 6686H5S1A

Regular price $978.36
Sale price $978.36 Regular price $0.00
MSRP: $1,239

Special Order

Caleffi logo and "Hydronic Solutions" text on white background.

Caleffi 6687F5S1A TwistFlow Radiant Manifold Assembly 6 loop 1 1/4"

SKU #: CALE6687F5S1A   |   MPN #: 6687F5S1A

Regular price $850.14
Sale price $850.14 Regular price $0.00
MSRP: $1,072

Special Order

Quality Plumbing Solution: Equipment, Supplies, and Parts

Plumbing Deals is your number one resource for all rough plumbing parts and supplies. Whether you're a homeowner embarking on a home improvement project, a skilled tradesperson, or a seasoned contractor, we've got you covered. We understand the importance of staying within budget. Our competitive prices ensure you get the best value for your money. We prioritize durability and functionality without compromise.

From pipe rings to backflow preventers and rough valves to ProPress fittings, we have all of the rough plumbing parts that you’ll need for your next project. With a wide selection of top-quality products from the most trusted names in the business, including CaleffiDanfossPrier, and Watts, we make it easy to shop reliable parts for an extensive range of needs.

Whether you’re looking for the highest quality pipe fittings or need to stock up on a full range of rough plumbing supplies, you know that you’ll be able to find it all here. If you have questions about parts or supplies, contact one of our experts.

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