Product Overview

The CAT Hot Water Seal Kit 33623 is a complete replacement seal kit designed for CAT 340 and 350 series high-pressure pumps operating in hot water pressure washer applications. Manufactured for high-temperature environments, this kit contains the essential high-pressure seals, low-pressure seals, O-rings, and wick components required to maintain pump performance and prevent water leakage.

With a seal size of 18mm internal diameter and 28mm external diameter, this kit is ideal for scheduled servicing and pump rebuilds, helping to restore efficiency and extend pump service life.

Specifications

• SKU: 33623
• Compatible Pumps: CAT 340 & CAT 350
• Seal Internal Diameter: 18mm
• Seal External Diameter: 28mm
• Application: Hot water high-pressure pumps

Kit Contents

• 3 x Seal Assembly, HPS-HT (High Pressure Hot Water Seals)
• 3 x Seal, LPS w/S-Spg-NBR (Low Pressure Seals)
• 3 x O-Ring, Seal Case-70-NBR
• 3 x O-Ring, Plunger Retainer-80-NBR
• 3 x Wick

Key Features

• Suitable for CAT 340 and 350 series pumps
• Designed for hot water pressure washer applications
• Includes high-temperature high-pressure seal assemblies
• Complete low-pressure seal and O-ring replacement kit
• Supplied with replacement wick assemblies
• Helps eliminate leaks and maintain operating pressure
• Ideal for preventative maintenance and pump overhauls
• Extends pump life and improves reliability

Why Choose This Product?

Hot water pressure washer pumps operate under demanding conditions that can accelerate seal wear. Replacing seals at recommended service intervals helps maintain pressure output, minimise downtime, and protect expensive pump components. The CAT 33623 Hot Water Seal Kit provides all the essential sealing components required for a professional pump service.

Order Now

Maintain the performance of your CAT 340 or 350 hot water pump with the CAT Seal Kit 33623. Available from Flowjet Cleaning Equipment with expert technical support and fast UK delivery.

Phone: 015395 66193
Email: sales@flowjet.co.uk