Harvia ZSK-765 High Limit Switch

ZSK-765 / SPZSK-765 high-limit switch for the listed Club, external-control Cilindro, Virta, Virta Combi and Virta Pro versions. Match the stamped original code; interchangeability with ZSK-764 or ZSK-765KIP is not established.

Manufacturer part number: ZSK-765.

Compatible models

• Club 10/12.5/15 kW: For KG Club, separate-control electric Cilindro and Virta; match the original switch code.
• Cilindro external 6/8/9/10.5 kW: For KG Club, separate-control electric Cilindro and Virta; match the original switch code.
• Virta 6/8/9/10.5 kW: For KG Club, separate-control electric Cilindro and Virta; match the original switch code.
• Virta Combi 6.8/8/9/10.5 kW: SPZSK-765 high-limit switch for the heater versions specified in the 2026 USA/Canada parts table. Match the stamped original code; earlier manuals list ZSK-764, whose interchangeability is not established.
• Virta Pro 16/20 kW: SPZSK-765 high-limit switch for the heater versions specified in the 2026 USA/Canada parts table. Match the stamped original code; earlier manuals list ZSK-764, whose interchangeability is not established.

Send the heater model, power rating, serial number, production year and a photo of the original part or rating plate with your request so we can confirm the exact replacement.