Wilo PB EA automatic pressure booster pump
The PB EA series are single-phase pressure booster pumps that start and stop by themselves when they sense water demand, used where mains pressure is too low for instantaneous gas water heaters, storage water heaters, electric heaters, showers and washing machine or dishwasher inlets. The series has 3 models of 0.07, 0.2 and 0.4 kW.
- Application
- Pressure boosting for water heaters, electric heaters, showers and appliance inlets
- Operation
- Automatic start and stop on sensing water demand
- Protection
- Dry-run protected (no float switch needed), motor protection
- Materials
- Noryl impeller, cast housing, stainless steel shaft
Models (3)
Series specifications
| Application | Pressure boosting for water heaters, electric heaters, showers and appliance inlets |
|---|---|
| Operation | Automatic start and stop on sensing water demand |
| Protection | Dry-run protected (no float switch needed), motor protection |
| Materials | Noryl impeller, cast housing, stainless steel shaft |
| Fluid temperature | 0 – 80 °C |
| Electrical | 1~220 V, 50 Hz · IP44 · insulation class B |
How to choose
- One appliance or a whole flat: PB-088 EA is the smallest model for single loads such as one water heater or shower line; a ¾"–½" gasket set is included.
- Larger lines: PB-201 EA and PB-400 EA have 1" and 1¼" female threaded sockets on inlet and outlet; look at these for lines that feed several appliances.
- Pressure limit: Maximum operating pressure is 3 bar for the 088, 5 bar for the 201 and 6 bar for the 400.
- Hot water: With fluid temperature up to 80 °C the pump can also be fitted on the hot side of an appliance.
How to write it in a quote
Write code, model and connection: "Wilo 3068136 PB-201 EA automatic pressure booster pump, 0.2 kW, 1~220 V, 1"–1¼" connection, max. 5 bar". Naming the appliance it feeds avoids confusion on site.
FAQ
What does an automatic booster pump do?
When mains pressure is too low it raises the pressure at water heater, electric heater, shower, washing machine and dishwasher inlets; it starts when a tap opens and stops when it closes.
Is a float switch needed?
No. PB EA pumps are protected against dry running and the catalogue states that no float switch is required.
Can it be used with hot water?
Yes. Fluid temperature may be between 0 and 80 °C.
Which connection sizes are available?
PB-088 EA ¾"–½" (gasket set included); PB-201 EA and PB-400 EA have 1" and 1¼" female threaded sockets.
Information compiled from the Wilo product documents. Tekliva does not sell products or publish prices.
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