Heywood Central Pneumatic Pressure Switch Replacement – 90-120 PSI, 240V

Overview

Meet the Heywood pressure switch replacement, a compact control valve designed for small air compressors. Built for dependable auto control and load/unload cycling, this part helps maintain steady pressure without complex setups. It’s a practical upgrade when updating an aging system or swapping a worn switch, delivering a straightforward path to smoother operation in hobbyist and light workshop environments.

Why choose this Heywood switch?

• Auto control and auto load/unload manage cycling, reducing the need for constant manual adjustments.
• Red ON/OFF switch knob provides a clear, tactile control for starting and stopping the system.
• Four female air inlet ports (approximately 0.4 inch / 11 mm thread diameter) offer flexible connections for various setups.
• Compact, black housing with dimensions around 82 x 82 x 52 mm fits in tight spaces and standard enclosures.
• Non-original replacement designed to complement OEM parts in DIY repair scenarios.

Specifications and compatibility

• Maximum voltage: 240V; current rating: 16A; maximum pressure: 90–120 PSI.
• Color: black; casing size: approximately 82 x 82 x 52 mm.
• Package includes: 1x air compressor switch control.

Installation and everyday use

Easy to install for users with basic wiring and standard fittings. As a replacement for OEM parts, it can be swapped in to restore reliable pressure control. The compact form helps reduce clutter on crowded workbenches and tool setups.

What you might notice in practice

Expect a steadier start and stop of your compressor, more predictable cut-in and cut-out, and energy-conscious operation when paired with compatible systems. Consider this switch as a practical upgrade option for compatible air setups.