3/4" BSP onboard vs Whale Watermaster socket: specs compared
Updated 05 September 2026.
8
specs differ
3/4" BSP onboard and Whale Watermaster socket differ on 8 specs: thread, appliance thread, push-fit adaptor, seals on, system, fits sockets.
| Spec | 3/4" BSP onboard | Whale Watermaster socket |
|---|---|---|
| Thread | 3/4 inch BSP parallel (external mains inlet) | |
| Appliance thread | 1/2 inch BSP for taps and heaters | |
| Push-fit adaptor | 3/8 inch BSP to 12 mm push-fit | |
| Seals on | a washer at the face (parallel BSP) | |
| System | Whale Watermaster mains water connection | |
| Fits sockets | Whale Watermaster and Truma Ultraflow inlets | |
| Onboard thread | 3/4 inch BSP internal plumbing | |
| Regulated pressure | nominal 1.5 bar (max 1.8 bar) |
Questions and answers
How do 3/4" BSP onboard and Whale Watermaster socket compare?
3/4" BSP onboard and Whale Watermaster socket differ on 8 specs: thread, appliance thread, push-fit adaptor, seals on, system, fits sockets.