The Ultra Compact Isolation valve is a robust 1/4 turn oil tank isolator valve that can be fitted to bottom outlet heating oil tanks.

Fitted before the filter valve or filter straight to the tanks 1"BSP F thread, the Ultra Compact Isolation Valve allows the oil supply to be turned off and the filter to be changed without pumping out or drain the tank. 

This valve is fitted to the tank outlet before the filter kit which is often supplied as standard with a new heating oil tank. The Ultra-Compact Valve replaces the reducer supplied with the standard filter kit and can just simply be screwed into a tank outlet then the filter valve is fitted to the Ultra Compact Valve.