Silvan DDP Pressure Switch Repair Kit – Suits DDP-550 & DDP-555 (5503-PSW)

When your Silvan DDP pump stops, the pressure switch is the first place to look. This repair kit gives you everything needed to restore full switching function and get your sprayer back on the job — without replacing the entire pump assembly.

Key Features

• Part No: 5503-PSW
• Genuine Silvan replacement part
• Designed to restore worn or failed pressure switch components
• Restores correct cut-in and cut-out pressure thresholds
• Direct-fit replacement — no modifications required
• Lightweight at just 50g — easy to keep as a spare in the shed

Compatible Models

• Silvan DDP-550
• Silvan DDP-555

When to Replace

If your pump stops, the pressure switch is a likely candidate for the reason. Replacing the switch components with this kit is a cost-effective fix compared to a full pump replacement.

Helpful Resources

• Not sure if the pressure switch is the problem? Learn how to test your pressure switch
• Need just the microswitch? View the microswitch here

Part No: 5503-PSW  |  Brand: Silvan