Dial Regulator 20
| Model | Consists of |
| 20 | 20 regulator only |
| 20S | 20 regulator, spring loc bearing,square end bearing |
| 20RS | 20 regulator, round end beraing ,square end bearing |
| 20SLL | 20 regulator, , long spring loc bearing ,long square end bearing |
Dial Regulator 20 is the most popular model on the market. They minimize air leakage and reduce rattle. A wing nut locks the damper in position, and permits quick readjustment. The dial shows the damper position at a glance. The regulator can be mounted easily on round or |
