
Altecnic Prescal® – Series 535 High Performance Dial UP Pressure Reducing Valve
Altecnic Prescal® – Series 535 High Performance Dial UP Pressure Reducing Valve
● Pressure reducing valves are installed in residential water systems to reduce and stabilise inlet pressures from mains water supplies or boosted water systems, which generally are too high and variable for domestic appliances to function correctly.
Altecnic code(s): 535015H, 535022H, 535028H, 535041H, 535051H, 535061H, 535071H, 535081H …
Delivery: shipped direct from Altecnic (Caleffi Group).

Altecnic Prescal® – Series 535 High Performance Dial UP Pressure Reducing Valve
Altecnic Prescal® – Series 535 High Performance Dial UP Pressure Reducing Valve
● Pressure reducing valves are installed in residential water systems to reduce and stabilise inlet pressures from mains water supplies or boosted water systems, which generally are too high and variable for domestic appliances to function correctly.
Altecnic code(s): 535015H, 535022H, 535028H, 535041H, 535051H, 535061H, 535071H, 535081H …
Delivery: shipped direct from Altecnic (Caleffi Group).
Product Options
| SKU | SIZE / OPTION | AVAILABILITY | PRICE | QTY | ACTION |
|---|---|---|---|---|---|
| 535015H | OUT OF STOCK | £57.75 Ex. VAT | |||
| 535022H | OUT OF STOCK | £63.83 Ex. VAT | |||
| 535028H | OUT OF STOCK | £77.23 Ex. VAT | |||
| 535041H | OUT OF STOCK | £77.12 Ex. VAT | |||
| 535051H | OUT OF STOCK | £84.73 Ex. VAT | |||
| 535061H | OUT OF STOCK | £105.93 Ex. VAT | |||
| 535071H | OUT OF STOCK | £201.62 Ex. VAT | |||
| 535081H | OUT OF STOCK | £250.57 Ex. VAT | |||
| 535091H | OUT OF STOCK | £421.04 Ex. VAT | |||
| 535040H | OUT OF STOCK | £65.80 Ex. VAT | |||
| 535050H | OUT OF STOCK | £73.44 Ex. VAT | |||
| 535060H | OUT OF STOCK | £94.60 Ex. VAT | |||
| 535070H | OUT OF STOCK | £188.38 Ex. VAT | |||
| 535080H | OUT OF STOCK | £236.98 Ex. VAT | |||
| 535090H | OUT OF STOCK | £399.49 Ex. VAT | |||
| 103-2040 | OUT OF STOCK | £139.67 Ex. VAT | |||
| 103-2041 | OUT OF STOCK | £166.49 Ex. VAT | |||
| 103-2042 | OUT OF STOCK | £207.71 Ex. VAT | |||
| 103-2043 | OUT OF STOCK | £398.74 Ex. VAT | |||
| 103-2044 | OUT OF STOCK | £496.73 Ex. VAT | |||
| 103-2045 | OUT OF STOCK | £694.10 Ex. VAT |
Altecnic Prescal® – Series 535 High Performance Dial UP Pressure Reducing Valve
Pressure reducing valves are installed in residential water systems to reduce and stabilise inlet pressures from mains water supplies or boosted water systems, which generally are too high and variable for domestic appliances to function correctly.
The 533H series is specially designed for hot and cold services in houses or apartments to equalise the hot or cold water supplies or both and prevent excessive pressure at outlets such as taps and showers.
Available Options
| Altecnic code | Size | Connections | Temperature Range | Gauge | Max Pressure at Inlet | Outlet Adj Range |
|---|---|---|---|---|---|---|
| 535015H | 15mm | Compression | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535022H | 22mm | Compression | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535028H | 28mm | Compression | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535041H | ½″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535051H | ¾″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535061H | 1″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535071H | 1 ¼″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535081H | 1 ½″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535091H | 2″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535040H | ½˝ | M x M BSP | Max 80°C | Port only | 25 Bar | 1.0 -6.0 bar |
| 535050H | ¾″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535060H | 1″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535070H | 1 ¼″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535080H | 1 ½″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535090H | 2″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 103-2040 | 15mm | Press Fit | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 103-2041 | 22mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2042 | 28mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2043 | 35mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2044 | 42mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2045 | 54mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
Technical Downloads
Delivery: shipped direct from Altecnic to your site or address.
Altecnic Prescal® – Series 535 High Performance Dial UP Pressure Reducing Valve
Pressure reducing valves are installed in residential water systems to reduce and stabilise inlet pressures from mains water supplies or boosted water systems, which generally are too high and variable for domestic appliances to function correctly.
The 533H series is specially designed for hot and cold services in houses or apartments to equalise the hot or cold water supplies or both and prevent excessive pressure at outlets such as taps and showers.
Available Options
| Altecnic code | Size | Connections | Temperature Range | Gauge | Max Pressure at Inlet | Outlet Adj Range |
|---|---|---|---|---|---|---|
| 535015H | 15mm | Compression | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535022H | 22mm | Compression | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535028H | 28mm | Compression | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535041H | ½″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535051H | ¾″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535061H | 1″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535071H | 1 ¼″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535081H | 1 ½″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535091H | 2″ | M x M BSP | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 535040H | ½˝ | M x M BSP | Max 80°C | Port only | 25 Bar | 1.0 -6.0 bar |
| 535050H | ¾″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535060H | 1″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535070H | 1 ¼″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535080H | 1 ½″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 535090H | 2″ | M x M BSP | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 103-2040 | 15mm | Press Fit | Max 80°C | Port only | 25bar | 1.0 -6.0 bar |
| 103-2041 | 22mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2042 | 28mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2043 | 35mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2044 | 42mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
| 103-2045 | 54mm | Press Fit | Max 80°C | With Gauge | 25bar | 1.0 -6.0 bar |
Technical Downloads
Delivery: shipped direct from Altecnic to your site or address.







