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Altecnic - 4 Bar 1/2" Pressure Temperature Relief Valve Set at 90°C

List Price: £53.71+VAT
Saving: £20.16+VAT
Our Price: £33.55+VAT
List Price: £64.45
Saving: £24.19
Our Price: £40.26

Our Product Code:

Small Post £6.00 +VAT*

(* Actual delivery cost may vary depending on post code)

4 Bar 1/2" Pressure Temperature Relief Valve Set at  90°C
Click to enlarge
4 Bar - 1/2" - Series 309 Pressure & Temperature Relief Valve - Set at 90°C
  • Pressure & temperature relief valves for unvented hot water systems
  • Temperature setting: 90°C
  • Pressure setting: 4 Bar
  • 1/2" sized valve
  • WRAS Approved Product
Size: 1/2 Inch
Weight: < 1kg
Dimensions: W-55.00mm D-31.00mm H-187.00mm

The Altecnic 309 temperature - pressure relief valves are used to control and limit the temperature and pressure of hot water contained in a domestic storage cylinder, preventing the water from reaching 100°C. When the set conditions are reached, the valve discharges a sufficient amount of water to allow the temperature or pressure to return within the system's operating limits. The valves have been designed for use on unvented hot water systems

  • Medium: Water
  • Max pressure: 10 bar
  • Discharge rating: 10 kW
  • Factory set temperature: 90°C
  • Factory set pressure: 4 bar
  • PED Category: IV

year warranty
This product comes complete with a
manufacturers 1 year warranty.
Within 28 Days:
If the product is found faulty within 28 days of purchase it can be returned to Advanced Water for replacement or refund. (Please note that if the item requires testing your refund will take approximately 14 days from receipt at Advanced Water).
All returns must be accompanied by a completed Goods Returns Note (GRN), to request a GRN simply complete the returns form at the bottom of this page and we will send one to you.
Please do not return any goods unless advised by Advanced Water as we will not cover return postage claims unless agreed.

After 28 Days:
If your product is found to be faulty after 28 days we have to adhere to the manufacturers returns policy.

Other Markings
  • 90ºC
  • 4 BAR
  • EN1490-MOD-309
  • DN15
  • 10KW
  • UK


Advanced Water Company
Unit D5 Enterprise Centre
Off Enterprise Way
Vale Park, Evesham
Worcestershire. WR11 1GS