A reliable, brand‑new low‑pressure sensor switch built especially for Ferroli boilers (part 505.91512) keeps your heating system safe and efficient. The switch continuously monitors water pressure inside the boiler; if the pressure drops below the safe range, it instantly shuts the unit down to avoid overheating and costly damage.
Why choose this replacement?
– Exact fit for EXTREMA 30 C COMBI NG, EXTREMA 38 C COMBI NG, OPTIMAX HE 25 S, OPTIMAX HE 31 C/S, and OPTIMAX HE 38 C models.
– Premium quality construction ensures long‑lasting performance without compromising safety.
– Easy installation – a direct plug‑in replacement for the original sensor.
Key specifications
- Part number: 505.91512 (equivalent to 39818770)
- Pressure range: 0‑4 bar (0‑400 kPa)
- Maximum overload: 8 bar (800 kPa)
- Input signal: 5 V DC
- Output signal: 0.5‑2.5 V
- Dimensions: 68 mm (L) × 35 mm (W) – see images for exact measurements
This sensor is not an OEM part but is fully compatible with the listed Ferroli models, offering a cost‑effective solution that meets the same safety standards as the original component. Keep your boiler running smoothly and protect your home from low‑pressure hazards with this essential replacement part.
Keywords: Ferroli low pressure sensor switch, boiler safety sensor, replacement boiler part, 505.91512, water pressure monitoring.
Reviews
There are no reviews yet.