The Reliance PTEM585210 temperature and pressure relief (TPR) valve is designed for use in unvented hot water systems, providing critical safety protection by relieving excess temperature and pressure within the cylinder. Featuring a 3/4" male BSP inlet and 22mm compression outlet, along with a 95mm probe, this valve is factory set to operate at 10 bar and is constructed with a durable brass body for long-term reliability.
TPR valves are essential safety components that automatically discharge water when system temperature or pressure exceeds safe limits, helping prevent damage to the cylinder and reducing the risk of hazardous failure. The integrated temperature probe responds to rising water temperatures (typically around 90–95°C), while the pressure mechanism ensures excess pressure is safely released. Over time, valves may degrade due to scale build-up, wear, or repeated operation, which can lead to leaks or unreliable performance. Replacing a faulty valve restores system safety, ensures compliance with regulations, and maintains proper operation. Installation must always be carried out by a suitably qualified professional in accordance with current regulations.
Key Features & Benefits
Technical Specifications
|
Specification |
Detail |
|
Part Number |
PTEM585210 |
|
Brand |
Reliance Water Controls |
|
Component Type |
Temperature & Pressure Relief Valve |
|
Pressure Rating |
10 Bar |
|
Connections |
3/4" BSP Male x 22mm Compression |
|
Probe Length |
95mm |
|
Material |
Brass |
|
Application |
Unvented Hot Water Systems |
Electrical Deals Direct now sells a wide range of spare parts. If you cannot see the item you require on our website, please call 01934 253600 or email [email protected] for more information.
| MPN | PTEM585210 |
|---|---|
| Product Code | EDDRELIANCE42 |
| Compatible With: Product Code (SKU) | Unvented hot water storage cylinders and sealed heating systems; the temperature and pressure relief valve required under Building Regulations Part G (G3) |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Reliance |
| Full Weight (kG) | .5 |
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.
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.
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.
The Reliance PTEM585210 temperature and pressure relief (TPR) valve is designed for use in unvented hot water systems, providing critical safety protection by relieving excess temperature and pressure within the cylinder. Featuring a 3/4" male BSP inlet and 22mm compression outlet, along with a 95mm probe, this valve is factory set to operate at 10 bar and is constructed with a durable brass body for long-term reliability.
TPR valves are essential safety components that automatically discharge water when system temperature or pressure exceeds safe limits, helping prevent damage to the cylinder and reducing the risk of hazardous failure. The integrated temperature probe responds to rising water temperatures (typically around 90–95°C), while the pressure mechanism ensures excess pressure is safely released. Over time, valves may degrade due to scale build-up, wear, or repeated operation, which can lead to leaks or unreliable performance. Replacing a faulty valve restores system safety, ensures compliance with regulations, and maintains proper operation. Installation must always be carried out by a suitably qualified professional in accordance with current regulations.
Key Features & Benefits
Technical Specifications
|
Specification |
Detail |
|
Part Number |
PTEM585210 |
|
Brand |
Reliance Water Controls |
|
Component Type |
Temperature & Pressure Relief Valve |
|
Pressure Rating |
10 Bar |
|
Connections |
3/4" BSP Male x 22mm Compression |
|
Probe Length |
95mm |
|
Material |
Brass |
|
Application |
Unvented Hot Water Systems |
Electrical Deals Direct now sells a wide range of spare parts. If you cannot see the item you require on our website, please call 01934 253600 or email [email protected] for more information.
| MPN | PTEM585210 |
|---|---|
| Product Code | EDDRELIANCE42 |
| Compatible With: Product Code (SKU) | Unvented hot water storage cylinders and sealed heating systems; the temperature and pressure relief valve required under Building Regulations Part G (G3) |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Reliance |
| Full Weight (kG) | .5 |
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.
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.
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.
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