Overheat / Temperature Sensor w/ Cable (12v) 2219/2325

OEM Espar Combi-Sensor — Overheat / Temperature Sensor w/ Cable (12V)

Protect your Espar hydronic heater with this genuine OEM Overheat / Temperature sensor, commonly referred to as the Combi-Sensor — a direct-fit replacement that monitors coolant temperature in real time and triggers overheat shutdowns to prevent heater damage. Compatible with P/N 25.2219.05 and 25.2325.05, this 12V sensor is an essential part of your heater's safety and thermal management system.

What's Included

• 1x Overheat / Temperature Sensor with Cable (12V)
• OEM SKU: 25.2219.01.2300
• Replaces P/N: 25.2219.05 and 25.2325.05

What's Not Included

• Sensor O-rings (P/N: 25.2481.99.0107) — 2 required, available separately

Compatibility

• Espar/Eberspächer 12V Hydronic heaters using P/N 25.2219.05 or 25.2325.05
• Verify fitment against your heater's parts diagram before ordering

Key Details

• Voltage: 12V
• Functions: Coolant temperature monitoring + overheat detection
• OEM SKU: 25.2219.01.2300
• Direct OEM replacement — no modifications required