Onyx 18LHEATING 18L Red Heating Expansion Vessel 3/4" 1.5 Bar | Genuine Replacement Spare Part
- SKU
- EDDONYX04
Genuine Onyx 18LHEATING 18L Red Heating Expansion Vessel 3/4" 1.5 Bar
18 litre red expansion vessel for sealed central heating systems, with a 3/4" connection and a 1.5 bar charge pressure.
What it does
When a sealed heating system heats up the water in it expands. The expansion vessel takes up that extra volume against a pre-charged air cushion, so the system pressure rises in a controlled way instead of lifting the pressure relief valve.
Where it fits
Sealed central heating systems - absorbs the expansion of heated system water so system pressure stays within limits - 18 litre, 3/4" connection, 1.5 bar charge pressure.
Specification
- Capacity 18 litres
- Connection 3/4"
- Charge pressure 1.5 bar
- Colour Red
- No feet supplied
- For sealed central heating systems
Installation
Installation by a qualified heating engineer is recommended. In stock at Electrical Deals Direct.
| MPN | 18LHEATING |
|---|---|
| Product Code | EDDONYX04 |
| Compatible With: Product Code (SKU) | Sealed central heating systems; absorbs the expansion of heated system water so system pressure stays within limits; 18 litre, 3/4" connection, 1.5 bar charge pressure |
| Part Origin | Genuine |
| Part or Accessory? | Accessory |
| Brand | Onyx |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
Genuine Onyx 18LHEATING 18L Red Heating Expansion Vessel 3/4" 1.5 Bar
18 litre red expansion vessel for sealed central heating systems, with a 3/4" connection and a 1.5 bar charge pressure.
What it does
When a sealed heating system heats up the water in it expands. The expansion vessel takes up that extra volume against a pre-charged air cushion, so the system pressure rises in a controlled way instead of lifting the pressure relief valve.
Where it fits
Sealed central heating systems - absorbs the expansion of heated system water so system pressure stays within limits - 18 litre, 3/4" connection, 1.5 bar charge pressure.
Specification
- Capacity 18 litres
- Connection 3/4"
- Charge pressure 1.5 bar
- Colour Red
- No feet supplied
- For sealed central heating systems
Installation
Installation by a qualified heating engineer is recommended. In stock at Electrical Deals Direct.
| MPN | 18LHEATING |
|---|---|
| Product Code | EDDONYX04 |
| Compatible With: Product Code (SKU) | Sealed central heating systems; absorbs the expansion of heated system water so system pressure stays within limits; 18 litre, 3/4" connection, 1.5 bar charge pressure |
| Part Origin | Genuine |
| Part or Accessory? | Accessory |
| Brand | Onyx |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
