Wacker Neuson 1000104405 Insulating Sleeve

The Wacker Neuson Insulating Sleeve is a genuine OEM component designed for the TH627 hydronic surface heater. Sourced directly from Wacker Neuson, this part meets the original design specifications and installs as a direct replacement for the worn or damaged sleeve it replaces. Correct fitment is confirmed against the TH627 spare parts list, so you can order with confidence.

Key Features

• Genuine OEM Dielectric Integrity — Manufactured to Wacker Neuson's original insulation grade, ensuring the sleeve provides the correct electrical isolation for the TH627's heating circuit.
• Direct Drop-In Replacement — Matches the original profile and dimensions, seating correctly in position without rework or adaptation to surrounding components.
• Confirmed TH627 Fitment — Verified against the official TH627 (418-02) spare parts list for accurate compatibility before you purchase.
• Protects Live Connections — A properly functioning insulating sleeve prevents unintended electrical contact at the protected terminal or conductor, maintaining safe and stable heater operation.
• Electrical Safety Critical — Insulating components in heating equipment are safety-relevant; using the correct OEM sleeve ensures the isolation performance meets the original design intent and applicable equipment standards.

An insulating sleeve is a protective barrier fitted around a conductor, terminal, or connection point to prevent unintended electrical contact with surrounding metalwork or other live components. In a hydronic surface heater like the TH627, reliable electrical isolation is essential — any breakdown in insulation can lead to short circuits, erratic heater behavior, or a safety hazard. Replacing a cracked, brittle, or damaged sleeve promptly restores the electrical integrity of that connection and keeps the heater operating as designed.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.