Refurbishment inserts OSY

The replacement insert replaces the insert in the valves of OSY's make. The replacement insert is controlled with a thermostat or handwheel. The design of the valve with a gray thermostat labeled OSY. The thread of the insert is M18x1. NOTE - For proper operation, existing valve housings are required to be in undamaged condition and the accompanying instructions are followed. The function cannot be guaranteed in the case of deviating valve designs, incorrect installation, insufficient heat capacity or other conditions we cannot control.