Reducing Tee, Slip x Slip x Slip PVC Schedule 80 1-1/2" x 1-1/2" x 3/4" (801-210)

The 801-210 is a 1-1/2" x 1-1/2" x 3/4" Schedule 80 PVC reducing tee with slip (socket) connections on all three ports, commonly referenced in its shorthand form as 1-1/2" x 3/4". Both run ends are 1-1/2 inches and the branch outlet is 3/4 inch, a two nominal step reduction at the branch. All three ports are solvent weld sockets with no threaded interfaces — every joint in the assembly is permanent once cemented, producing a three-way flow distribution fitting where the 1-1/2-inch mainline run and the 3/4-inch branch outlet are all fixed, permanently routed pipe connections.

The 1-1/2-inch run passes mainline flow straight through the fitting body while the 3/4-inch branch delivers a reduced but fully capable service outlet. At 3/4 inch, the branch is a full-service pipe size carrying real flow volume at Schedule 80 pressure ratings — appropriate for secondary distribution branches, zone supply feeds, equipment supply lines, chemical injection sub-assemblies, and bypass connections where the branch must deliver meaningful throughput at a reduced pipe size from the 1-1/2-inch mainline. The two nominal step reduction from 1-1/2 to 3/4 inch is more aggressive than a single-step reduction but less specialized than a three- or four-step reduction that would target instrumentation or small-bore monitoring applications — the 801-210 branch is sized for service, not just access.

The all-slip, all-permanent construction of the 801-210 is its defining architectural characteristic. Unlike the 802-series tees where the branch is female NPT threaded and independently serviceable, every port on the 801-210 is a solvent weld socket. The branch connection is cemented exactly like both run ends — it becomes a fixed, structural member of the pipe assembly with no provision for independent disassembly without cutting pipe. This is the correct choice when the 3/4-inch branch is a permanently routed pipe run connecting to fixed downstream equipment or a fixed distribution line that will not require removal or reconfiguration. When the branch must accept and release valves, equipment, or threaded pipe connections over the system's service life, a tee with a threaded branch — the 802-series or the 402-series Schedule 40 FPT-branch reducing tees — is the appropriate alternative.

At 1-1/2-inch run size, the 801-210 appears across a broader application range than the 1-1/4-inch run entries preceding it in this series. The 1-1/2-inch mainline is a near-standard pipe size for residential and light commercial pool and spa recirculation systems, pressurized irrigation distribution, pump suction and discharge assemblies, and chemical feed distribution across a wide range of industrial and process piping contexts. The 3/4-inch all-slip branch at this run size is a common configuration for chemical injection sub-assemblies, pressure gauge tap sub-lines, bypass feeds to small equipment, and zone supply branches where the branch pipe run is permanently routed and the all-slip construction is consistent with the system's build-out approach.

All three socket ends accept standard Schedule 80 PVC pipe for solvent weld assembly. The assembly pressure rating is governed by the 1-1/2-inch run ends at 280 PSI @ 73°F — the 3/4-inch branch end alone rates at 690 PSI, but the assembled fitting uses the lower of the two end ratings for system design purposes. Schedule 80 wall thickness provides the higher pressure rating and mechanical strength required for industrial chemical feed, process piping, and utility water systems. Gray PVC delivers broad chemical resistance to acids, alkalis, salts, and many industrial process fluids with no corrosion risk in continuously wet or chemically aggressive environments. All three socket ends are manufactured and dimensioned to ASTM D2467 standards for Schedule 80 PVC socket fittings.

Specifications:

Pressure rating is for water service at 73°F. Assembly pressure rating is governed by the lower-rated 1-1/2-inch run ends at 280 PSI. The 3/4-inch branch end in isolation rates at 690 PSI but does not govern the assembled fitting rating. Derate for elevated temperatures and aggressive chemical service per manufacturer guidelines. All three socket joints are permanent once cemented — confirm pipe alignment and branch orientation before cement sets.

Industries & Applications:

The 801-210 Schedule 80 reducing tee serves industrial, chemical, commercial, and residential piping applications wherever a 1-1/2-inch Schedule 80 PVC mainline requires a permanent all-solvent-weld 3/4-inch branch for secondary distribution, equipment supply, or service connections:

• Swimming Pool & Spa Equipment — Permanent all-slip branch connections on 1-1/2-inch Schedule 80 pool and spa recirculation mains where a 3/4-inch branch supplies chemical injection sub-assemblies, pressure gauge tap lines, bypass equipment feeds, and small-bore service connections as a fixed, permanently cemented branch consistent with the solvent weld construction of the surrounding pool equipment room piping
• Chemical Processing & Water Treatment — Permanent all-slip three-way flow distribution on 1-1/2-inch chemical feed, chlorination, acid dosing, and reagent distribution headers where a 3/4-inch branch supplies secondary treatment loops, chemical injection sub-lines, and service connections on permanently routed systems where all-solvent-weld construction is specified for joint strength and chemical resistance throughout the assembly
• Pump Discharge & Equipment Assemblies — Three-way permanent flow distribution on 1-1/2-inch pump discharge and recirculation headers where a 3/4-inch all-slip branch supplies bypass feeds, secondary loop entries, and service connections as a fixed, permanently cemented branch on pump skid and packaged equipment assemblies where a threaded branch interface is not required
• Industrial Process Piping — Permanent reducing branch connections on 1-1/2-inch process distribution and utility water headers supplying 3/4-inch secondary process lines, equipment supply connections, and service branches at fixed three-way junction points where all-solvent-weld construction is preferred for its joint integrity and elimination of threaded engagement surfaces in chemical service environments
• Agricultural & Irrigation Systems — Permanent two-step branch connections on 1-1/2-inch pressurized irrigation supply and pump discharge headers where a 3/4-inch branch feeds zone distribution sub-mains, drip system laterals, and flow control equipment inlets as a fixed, solvent-welded branch in a permanently routed field distribution network designed for long-term, maintenance-free service
• Municipal & Commercial Plumbing — Permanent three-way reducing connections on 1-1/2-inch Schedule 80 utility water and service lines where a 3/4-inch branch supplies fixture connections, secondary distribution branches, and service takeoffs as fixed permanent joints on systems where Schedule 80 pressure ratings are specified throughout
• HVAC & Cooling Systems — Permanent reducing branch connections on 1-1/2-inch chemical treatment feed lines and condenser water piping supplying 3/4-inch secondary equipment connections, instrument supply sub-lines, and bypass feeds as fixed all-solvent-weld junctions in permanently routed mechanical room installations where long-term corrosion resistance and joint integrity are design priorities