Watts R119-04B 1/2″ Air Pressure Regulator, 0–60 PSI, 300 PSI Max Inlet

Description

Watts R119-04B 1/2″ Air Pressure Regulator Overview

The Watts R119-04B is a 1/2″ air pressure regulator engineered to deliver precise, consistent downstream pressure control in compressed air systems. With an adjustable outlet pressure range of 0–60 PSI and a maximum inlet pressure rating of 300 PSI, this regulator is well suited for a wide range of HVAC, pneumatic control, and light industrial applications where reliable air pressure management is essential.

Key Features

• 1/2″ pipe connection for straightforward installation into standard compressed air lines
• Adjustable outlet pressure range: 0–60 PSI
• Maximum inlet pressure: 300 PSI — handles high-pressure supply lines safely
• Designed for compressed air service in HVAC and pneumatic control applications
• Watts quality construction for long-term durability and dependable pressure regulation
• Compact regulator body for installation in space-constrained mechanical rooms and equipment panels

Typical Applications

• Pneumatic HVAC control systems requiring regulated air supply
• Compressed air distribution lines in commercial and light industrial facilities
• Downstream pressure regulation from high-pressure air sources
• Air preparation stations and filter-regulator assemblies

Specifications

• Brand: Watts
• Model / SKU: R119-04B
• Connection Size: 1/2″
• Outlet Pressure Range: 0–60 PSI
• Maximum Inlet Pressure: 300 PSI
• Media: Compressed Air