Coelbo FS2/2.5-7.5 medium pressure switch
R380,00 Incl. VAT
- ✅ Available 2-3 Working Day Dispatch (From SA Supplier)
- ✅ Genuine Coelbo Product
- ✅ Includes Manufacturer Warranty
- ✅ Pressure Switch Only
- ✅ Expert Sizing Support Available
- ✅ Fast Nationwide Delivery
The Coelbo FS2/2.5-7.5 medium pressure switch offers adjustable pump control from 2.5 to 7.5 bar. Designed for domestic, commercial, and irrigation systems, it ensures reliable automatic pump start and stop operation in medium pressure applications.
Coelbo FS2/2.5-7.5 medium pressure switch
The Coelbo FS2/2.5-7.5 medium pressure switch is designed for automatic pressure control in water pump systems requiring higher operating pressures.
With an adjustable pressure range of 2.5 bar to 7.5 bar, this medium pressure type switch allows accurate control of pump cut-in and cut-out settings. It is ideal for larger domestic booster systems, multi-storey buildings, irrigation systems, and light commercial water supply installations.
The FS2 series provides durable mechanical performance, easy adjustment, and dependable switching under regular operating cycles. Its robust construction ensures long service life when used in clean water applications.
Key Features
- Adjustable operating pressure range: 2.5 – 7.5 bar
- Automatic pump start/stop control
- Designed for medium pressure systems
- Suitable for domestic and commercial water supply
- Durable mechanical design
- Easy wiring and installation
| Weight | 1 kg |
|---|---|
| Dimensions | 10 × 10 × 10 cm |
Specifications
Specification |
Value |
| Model | Coelbo FS2 |
| Pressure Range | 2.5 – 7.5 bar |
| Type | Medium Pressure Mechanical Switch |
| Function | Automatic pump start/stop |
| Adjustable Cut-In | Yes |
| Adjustable Differential | Yes |
| Electrical Supply | 230V (single phase typical application) |
| Maximum Current | 16A (resistive load typical rating) |
| Connection Size | 1/4” Female BSP |
| Protection Rating | IP44 |
| Application | Clean water systems |
| Mounting Position | Vertical recommended |
Pros & Cons
Pros
✔ Adjustable medium pressure range (2.5–7.5 bar)
✔ Suitable for higher pressure booster systems
✔ Reliable mechanical operation
✔ Easy to install and adjust
✔ Cost-effective pump control solution
✔ Durable housing construction
Cons
✖ No built-in dry run protection
✖ Mechanical switches require periodic inspection
✖ Not suitable for dirty or abrasive liquids
✖ No digital pressure display
✖ Requires pressure tank for correct operation
FAQ's
1. What systems is the FS2/2.5-7.5 suitable for?
It is ideal for medium pressure booster systems, multi-storey buildings, irrigation systems, and light commercial water supply installations.
2. What does the 2.5–7.5 bar range mean?
It refers to the adjustable operating pressure window. You can set the pump cut-in and cut-out pressures anywhere within this range.
3. Does this switch protect against dry running?
No. The FS2 is a mechanical pressure switch and does not provide dry run protection. A separate dry run controller is required.
4. Can it be used without a pressure tank?
It is designed to operate with a pressure tank. Running without a tank may cause rapid cycling and premature pump wear.
5. Is it suitable for 3-phase pumps?
It can control 3-phase pumps when wired through a contactor. Direct connection is typically for single-phase pumps only.
6. What fitting size does it use?
It typically comes with a 1/4” female BSP connection.
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