Wziernik zbiornika wyrównawczego – 14 litrów De Dietrich 300002578

Designed for 14-litre expansion vessels, this sight glass provides a clear view of the water level and pressure conditions within the vessel. It is an essential part for monitoring and maintaining the proper function of heating systems. As a durable boiler spare part, it aids in preventive maintenance and helps avoid system failures by enabling quick visual checks.