Potterton
Potterton 3-Way Valve Motor 5138680
Potterton 3-way valve motor, part 5138680, for Sirius SAT Ra2Z and Rs2Z commercial boilers.
£44.40
£37.00 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The MOTOR-3 WAY VALVE is a Potterton Commercial diverter valve motor, supplied under part number 5138680. It drives the three-way valve on Potterton Commercial Sirius SAT boilers to switch flow between central heating and hot water. The motor sits on the valve body and moves the valve spindle when the boiler controls call for a change of duty.
Signs this part needs replacing
- The valve does not change over between central heating and hot water, so one duty runs and the other does not.
- Heating continues to run when only hot water is called for, or hot water stays cold while the heating circuit is satisfied.
- The valve head is silent when the boiler calls for a change of duty, indicating the motor is not turning the spindle.
- The motor buzzes, hums or runs hot without moving the valve through its full travel.
Before you order
- Confirm the boiler model is a Potterton Commercial Sirius SAT Ra2Z or Rs2Z.
- Check the existing valve head part number is 5138680 before ordering.
- Establish whether the fault lies with the motor or the valve body, as the two are separate parts.
- Check the valve spindle moves freely by hand, since a stiff body will damage a new motor.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RA | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RA2Z | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RS | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RS2Z | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RSE | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RSP | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS SAT RST | — | — | — |
Documents & drawings
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