4 cylinder OPSO upgrade kit brought to you by the Calor Essentials range.
Comes complete with 2 hoses and 'T' pieces, and made for use when upgrading from a 2 cylinder system to 4 cylinders.
| Product code | 601239 |
|---|---|
| Inlet | POL |
| Outlet | W20 |
| More details | 2 x 0.75m W20 x POL pigtails. Must only be used with changeover valves that have OPSO. |