Reliance PRED330000 RWC Pressure Relief Valve 2.1 Bar | Genuine Replacement Spare Part
- SKU
- EDDRELIANCE40
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Can’t find what you’re looking for? Click here to use our spare part finder.Reliance PRED330000 RWC Pressure Relief Valve 2.1 Bar
The Reliance PRED330000 is a 22mm preset pressure reducing valve (PRV) set to 2.1 bar, manufactured by Reliance Water Controls (RWC) — one of the UK's leading specialists in water pressure, temperature and flow control. Designed for domestic potable water applications, this valve reliably reduces and maintains downstream water pressure to protect pipework, appliances and heating system components from the damaging effects of overpressure.
Ideal for use on unvented hot water systems, combination boilers and sealed heating systems, the PRED330000 offers a straightforward, preset solution that requires no on-site pressure adjustment, saving time on installation.
Key Features & Benefits:
-
Preset to 2.1 bar — no adjustment required on installation
-
22mm connections for compatibility with standard domestic pipework
-
Compact design suitable for tight installations
-
Manufactured by Reliance Water Controls (RWC), a trusted brand in plumbing and heating
-
Suitable for domestic potable water and unvented cylinder applications
-
Helps prevent burst pipes, appliance damage and excess water consumption caused by high pressure
Technical Specifications:
| Specification | Detail |
|---|---|
| Part Number | PRED330000 |
| Brand | Reliance Water Controls (RWC) |
| Set Pressure | 2.1 Bar |
| Connection Size | 22mm |
| Application | Domestic potable water / unvented systems |
| Valve Type | Preset Pressure Reducing Valve (PRV) |
Electrical Deals Direct stock a wide variety of spares and accessories for your needs. Whether you're looking for replacements or upgrades, we have you covered. For more details or assistance, feel free to call one of our knowledgeable team members on 01934 253600 or email us - [email protected] - We're here to help!
| MPN | PRED330000 |
|---|---|
| Product Code | EDDRELIANCE40 |
| Compatible With: Product Code (SKU) | Unvented hot water storage cylinders and sealed heating systems; the expansion relief valve fitted to the cold water inlet control group |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Reliance |
| Empty Weight (kG) | 0.5 |
| Full Weight (kG) | 0.5 |
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.
Reliance PRED330000 RWC Pressure Relief Valve 2.1 Bar
The Reliance PRED330000 is a 22mm preset pressure reducing valve (PRV) set to 2.1 bar, manufactured by Reliance Water Controls (RWC) — one of the UK's leading specialists in water pressure, temperature and flow control. Designed for domestic potable water applications, this valve reliably reduces and maintains downstream water pressure to protect pipework, appliances and heating system components from the damaging effects of overpressure.
Ideal for use on unvented hot water systems, combination boilers and sealed heating systems, the PRED330000 offers a straightforward, preset solution that requires no on-site pressure adjustment, saving time on installation.
Key Features & Benefits:
-
Preset to 2.1 bar — no adjustment required on installation
-
22mm connections for compatibility with standard domestic pipework
-
Compact design suitable for tight installations
-
Manufactured by Reliance Water Controls (RWC), a trusted brand in plumbing and heating
-
Suitable for domestic potable water and unvented cylinder applications
-
Helps prevent burst pipes, appliance damage and excess water consumption caused by high pressure
Technical Specifications:
| Specification | Detail |
|---|---|
| Part Number | PRED330000 |
| Brand | Reliance Water Controls (RWC) |
| Set Pressure | 2.1 Bar |
| Connection Size | 22mm |
| Application | Domestic potable water / unvented systems |
| Valve Type | Preset Pressure Reducing Valve (PRV) |
Electrical Deals Direct stock a wide variety of spares and accessories for your needs. Whether you're looking for replacements or upgrades, we have you covered. For more details or assistance, feel free to call one of our knowledgeable team members on 01934 253600 or email us - [email protected] - We're here to help!
| MPN | PRED330000 |
|---|---|
| Product Code | EDDRELIANCE40 |
| Compatible With: Product Code (SKU) | Unvented hot water storage cylinders and sealed heating systems; the expansion relief valve fitted to the cold water inlet control group |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Reliance |
| Empty Weight (kG) | 0.5 |
| Full Weight (kG) | 0.5 |
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.
