The Davey Dynajet X90 Automatic Pressure System is a compact and reliable domestic water pressure system designed for automatic water transfer and pressure boosting. It combines a single-stage jet-assisted centrifugal pump with a Supercell 35C pressure vessel and adjustable pressure switch, all mounted on a convenient base for straightforward installation.
With a capacity of up to 90 L/min and a maximum total head of 46 m, the Dynajet X90 is suitable for larger homes and demanding domestic water supply applications. Its automatic pressure control helps maintain consistent water pressure while the integrated pressure vessel reduces unnecessary pump cycling.
The system is built using corrosion-resistant materials and features a TEFC motor with IP55 protection, Class F insulation, and built-in automatic thermal overload protection. The heavy-duty butyl diaphragm tank is designed for potable water applications.
Key Features
- Automatic domestic water pressure system
- Single-stage jet-assisted centrifugal pump
- Capacity up to 90 L/min
- Maximum total head of 46 m
- Supercell 35C pressure vessel
- Fully adjustable pressure switch
- TEFC motor with IP55 protection
- Class F insulation
- Built-in automatic thermal overload protection
- Corrosion-resistant construction
- Compact base-mounted design
- Designed for frequent starts
- Low-maintenance operation
- Individually tested pump and tank unit
- Heavy-duty butyl diaphragm suitable for potable water
Applications
- Domestic water supply
- Home pressure boosting
- Automatic water transfer
- Large residential homes
- Two-storey homes
- Homes with multiple modern appliances
- General domestic water pressure applications
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Davey |
| Model | Dynajet X90 |
| Product Type | Automatic Pressure System |
| Pump Type | Single-Stage Jet-Assisted Centrifugal |
| Maximum Flow | 90 L/min |
| Maximum Total Head | 46 m |
| Factory Cut-In Pressure | 210 kPa |
| Factory Cut-Out Pressure | 350 kPa |
| Maximum Liquid Temperature | 50°C |
| Maximum Ambient Temperature | 55°C |
| Maximum Suction Lift | 7 m |
| Inlet Connection | 1¼” Female BSP |
| Outlet Connection | 1″ Female BSP |
| Supply Voltage | 220–240 V |
| Supply Frequency | 50 Hz |
| Input Power (P1) | 1.4 kW |
| Output Power (P2) | 1.1 kW |
| Full Load Current | 6.6 A |
| Insulation Class | Class F |
| IP Rating | IP55 |
| Tank | Supercell 35C |
| Tank Diaphragm | Heavy-Duty Butyl Rubber |
| Net Weight | 26.0 kg |
Why Choose the Davey Dynajet X90 Automatic Pressure System?
The Davey Dynajet X90 Automatic Pressure System is designed for homes requiring higher water flow and dependable pressure boosting. With up to 90 L/min capacity, a 46 m maximum head, automatic pressure control, and an integrated pressure vessel, it provides a complete solution for domestic water supply and automatic water transfer.
Its robust construction, corrosion-resistant materials, IP55 TEFC motor, and low-maintenance design make the Dynajet X90 a dependable choice for larger residential water systems.


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