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Malleable iron reducing tee, three FNPT ports, dark rough finish

Value Brand

Value Brand 5P504 Malleable Iron Reducing Tee

SKU CH-MFQW-4K0NJ

A malleable iron reducing tee connects three pipes at different diameters, rated to 300 psi and temperatures up to 366 degrees Fahrenheit

  • Malleable iron construction withstands 300 psi at 150 °F
  • FM Approved and UL Listed for code-compliant installations
  • Reducing tee joins 1-1/2″ and 1″ FNPT pipes in one fitting
  • Rated from −20 °F to 366 °F for steam and water service
  • Meets ASME B16.3, B16.4 and ASTM A197, A47 standards

Value Brand 5P504 Reducing Tee

This malleable iron reducing tee connects three FNPT threaded pipes in a 1-1/2" x 1-1/2" x 1" configuration. It is designed for plumbing professionals and maintenance engineers who need a durable branch connection in industrial or commercial piping systems. The fitting meets ASME B 16.3, B 16.4, ASTM A-197 and ASTM A47 standards for reliable service.

Sustained Load Behaviour

Rated for a maximum pressure of 300 psi at 150 degrees F and saturated steam pressure of 150 psi, the fitting maintains structural integrity across a temperature range of -20 to 366 degrees F. Its Class 150 construction ensures consistent performance under continuous thermal cycling and steady-state pressure without deformation or leakage at the threaded joints.

Upgrade Context

This tee replaces damaged or corroded malleable iron fittings in existing Class 150 threaded networks where a 1-inch branch reduction is required. The jump is worth it when the system demands FM Approved and UL Listed components for code compliance, or when the temperature and pressure envelope exceeds the limits of lower-class or non-certified alternatives.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 75% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameZORO SELECT

Questions about this item

How much heat can the 5P504 reducing tee handle in continuous service?

The malleable iron tee is rated for temperatures from -20 up to 366 degrees F, so it remains stable during all-day hot-water or steam circulation.

What piping components must already be in place for this tee to install?

You need male NPT threads on the three connecting pipes — two at 1-1/2 inches and one at 1 inch — matching the tee’s FNPT openings.

Will the Class 150 rating of this tee work with older ASME B16.3 piping still in the system?

Yes, the tee meets ASME B16.3 and B16.4, so it threads directly onto legacy Class 150 malleable iron fittings without adapters.

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