- Made in Switzerland
- The Toby DVR control valve is a multi-function unit for maintaining a constant oil level.
- Regulating the oil flow and providing a safety shut off for oil heating appliances.
- The fuel enters via the filter and the inlet valve into the oil control body.
- The rising oil level in the product lifts the float and when the oil has reached the “oil level” mark, the inlet valve is closed.
- Suitable for the Waterford Stanley Oisin.