Herz pipe tee with female thread P 7220 42 — 20x2–3/4–20x2 (copper/steel pipe dimensions)

Herz pipe tee with female thread P 7220 42 is a compact threaded branch fitting designed for plumbing and heating systems. It provides an internal (female) thread at the branch connection and is compatible with copper/steel pipes of dimensions 20x2–3/4–20x2. The part is intended to create a reliable threaded junction for valves, fittings or meters in hot water, central heating and general plumbing circuits where a threaded tee is required.

Advantages

The tee features a threaded female branch that allows straightforward installation of threaded components without the need for additional adaptors. Its dimensions match common copper and steel pipe sizes used in residential and light commercial installations, offering predictable fit and alignment. The design supports routine system pressures and temperatures typically encountered in hot water and central heating applications. The component enables neat branching with a threaded interface for simple, serviceable connections.

Suitable for

• Branch connections in hot water distribution systems
• Central heating loop splits and accessory connections
• Plumbing installations where a threaded branch is needed for valves or gauges
• Retrofit or repair work on copper and steel pipe lines with matching dimensions

Key specifications

• Type: pipe tee with internal (female) thread
• Compatible pipe dimensions: 20x2–3/4–20x2 (copper/steel)
• Material: construction suitable for copper/steel pipe connections
• Application: hot water, central heating, general plumbing
• Connection style: threaded internal branch for fittings or valves

How to use

Prepare and cut the pipes to the required lengths, ensuring clean, square ends and deburred inside and out. Fit the tee onto the matching pipe ends according to accepted joining methods for the piping material, and secure the threaded component in the branch with the appropriate mating fitting or valve. Follow standard installation procedures for sealing threaded joints where required and verify alignment before final tightening. After installation, pressurize and perform a leak test according to applicable local codes and manufacturer recommendations for the overall system.

Usage recommendations

Use compatible threaded fittings and apply thread sealant or tape approved for heating and potable water systems. For reliable performance, ensure the tee is used with pipes of the specified dimensions and within the temperature and pressure limits of the overall system. During installation and servicing, follow applicable safety and plumbing standards.