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| Material | Brass |
| Color | Gold |
| Pattern | Solid |
| Fittings | 1/8 inch female x 1/8 inch male BSP |
| Tubing Compatibility | 5 x 8 mm silicone tubing |
| Part Number | ASCASO I 2639 |
In the event there is over pressurization in the hydraulic system, this by-pass valve will open, allowing the excess water to drain out. It can also be used to adjust the pump dispensing pressure. 1/8" Female x 1/8" Male BSP fittings, with the outlet working in conjunction with 5 x 8 mm silicone tubing. Ascaso part #: I.2639.
The catalog often lists the same model at several merchants — worth a price check before you buy.