Adapter Cable HL2 Heater to HL3 Main Harness
Adapter Cable HL2 Heater to HL3 Main Harness is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
Products ship in 1-2 business days.
Adapter Cable HL2 Heater to HL3 Main Harness is backordered and will ship as soon as it is back in stock.
Adapter Cable — Hydronic L-II Heater to L3 Main Harness (HL2–HL3)
Upgrading from an Espar / Eberspaecher Hydronic L-II (LII) heater to the newer Hydronic L3 generation? This new, genuine OEM adapter cable connects the Hydronic L3 heater to your existing Hydronic L-II main harness — preserving the wiring already in place and simplifying the upgrade.
Key Details
- Part Number: 25.3040.89.0500
- Compatibility: All Hydronic LII–LIII 16kW–35kW heaters
- Country of Origin: Germany
Complete Your Upgrade
This cable is used together with the Water Pump Adapter Harness (PN 25.3040.89.0600) when upgrading a 2nd generation Hydronic L-II to the new generation Hydronic L3. Both parts are required for a complete installation.
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