
Santon 94.970.008 ALK01 Expansion Vessel
ALK01
ALK01 Expansion Vessel Kit – Complete Pack with Relief Valve, Pressure Reducer, Strainer & Non-Return Valve
The ALK01 Expansion Kit is a comprehensive package designed for use with unvented water heaters, providing essential components to manage system pressure safely and effectively. Suitable for compliant installation, it includes an expansion vessel, pressure reducing valve, strainer, expansion relief valve, and non-return valve.
- Complete System Protection: Includes all necessary safety and control components for unvented hot water systems.
- Pressure Reducing Valve: 1/2” BSP female connection regulates inlet pressure to protect the system from overpressure.
- Expansion Vessel: 1/2” BSP male threaded for easy integration into the hot water circuit.
- Expansion Relief Valve: Inlet 1/2” BSP male and discharge 1/2” BSP female to safely relieve excess pressure.
- Non-Return Valve with Strainer: 15mm x 15mm compression fitting to prevent backflow and maintain water hygiene standards.
Technical Specification
- Pressure Reducing Valve: 1/2” BSP Female
- Expansion Vessel: 1/2” BSP Male
- Relief Valve Connections: Inlet 1/2” BSP Male, Discharge 1/2” BSP Female
- Non-Return Valve: 15mm x 15mm Compression
- Application: For use with unvented hot water systems
✅ Install the ALK01 Expansion Kit for reliable pressure control and safety compliance in unvented hot water systems!
Range | Santon Aqualine |
Product | Water Heating |
Type | Expansion Vessel |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 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.