
Heatrae Sadia 95.970.351 Pack U2 Expansion Vessel Check Valve & Pressure Relief ( Expansion ) Valve For Multpoint 10/15 Unvented Water Heaters
95.970.351
Heatrae Sadia expansion vessel. A full range of accessories is available for installation with Heatrae Sadia Unvented Water Heaters.

The Expansion Vessel, when fully charged, will absorb all expanded water produced by the Multipoint heater during normal operation.
Connection ½" BSP male; Pre-charged 4.1 bar.
The Check Valve prevents backflow of hot water and eliminates any possibility of cross contamination between cold and hot water.
Connection 15mm x 15mm compression.
The Expansion Valve opens at 6 bar (87 psi). It acts as a back-up to the expansion vessel.
Connections Inlet ½" BSP male; drain ½" BSP female.
Installation Pack U2, where used, must be installed in close proximity to the heater on the inlet side.
Thread Size | 1/2in BSP |
C/w Waste | N |
Thermostatic | N |
Mixing | N |
Minimum Operating Pressure | 4.1 Bar |
C/w Humidistat | N |
C/w Pullcord | N |
Ean Code | 5012496703513 |
End Type | Male |
Product | Water Heating Accessory |
Type | Expansion Vessel |
Use | Domestic & Commercial |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- STANDARD DELIVERY – 2–3 Working Days From Despatch (subject to stock availability) - £4.99 inc-VAT. (£4.16 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.