BSP to ACME Adaptor 1-inch to 1¼-inch
Connection check before ordering
| Connection | This adaptor |
|---|---|
| Existing swing-joint / supply end | 1-inch BSP female |
| Sprinkler end | 1¼-inch ACME male, with O-ring seal |
Connects a matching male BSP outlet to a matching female ACME sprinkler inlet. Check both sizes and the sprinkler model. It does not replace an internal swing-joint elbow or swivel.
Rain Bird 752E and 752IC rotors have 1¼-inch ACME female inlets. The 752B block rotor has a smaller 1-inch ACME inlet. Check the full model designation and the BSP side of this adaptor.
This Rain Bird swing-joint adaptor transitions between a 1-inch BSP connection and a 1¼-inch ACME-threaded sprinkler inlet. It is intended for irrigation installations or sprinkler replacements where the existing swing joint and selected rotor use different thread sizes and forms.
Connection sizes
- BSP side: 1-inch
- ACME side: 1¼-inch
- Supplier SKU: RBSJA-ADPT125100
BSP and ACME threads are different and must not be forced together. Check both sides of the connection before ordering. Follow the sprinkler and swing-joint manufacturers’ sealing and installation guidance, then pressure-test the completed joint.
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