These cookies make our website work. They include logging personal details, like login/sign-up or account data, browser information, images & videos, and shopping cart journey.
In addition, we use optimization cookies to test new features and designs on our website. The information collected helps us improve our website and customers' experience.
These cookies are used to understand the performance and relevancy of our adverts, to provide you with personalised adverts on other websites and social media, to track when you have arrived at our site from a recognised third-party affiliate website, and to track if you made a purchase based on the adverts we displayed to you.
These cookies enable us to provide personalised product and content recommendations, to make the browsing experience more relevant to you.
These cookies are used to offer customer surveys and feedback, to improve search results, and to allow you to share content from our website on social media.
These cookies help us improve our website by collecting and reporting information on how you use it.
- Plumbing
- Pressure and Temperature Control Valves
- Temperature and Pressure Relief Valves
WATTS Temperature And Pressure Relief Valves
ASME and ANSI approved relief valves to protect water heaters and hot-water storage tanks from high temperature (max. 250 degrees F) and pressure (max. 150 psi) levels. Available in bronze, lead-free brass & lead-free copper silicon alloy material
ASME and ANSI approved relief valves to protect water heaters and hot-water storage tanks from high temperature (max. 250 degrees F) and pressure (max. 150 psi) levels. Available in bronze, lead-free brass & lead-free copper silicon alloy material
WATTS -
Temperature & Pressure Relief Valve, 150 psi
A
BWATTS -
LFN9 Series, Dual Check with Atmospheric Vent
A
B
C| Style | Model | Max. Temp. | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Type | Body Finish | Body Material | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LFN9-3/8" | €259.43 | |||||||||
| A | LFN9-1/4" | €133.37 | |||||||||
| B | LFN9C-1/4" | €147.29 | |||||||||
| C | LFNLF9 | €203.18 |
| Style | Model | Relief Valve Pressure | Body Material | Max. Temp. | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Pressure Range | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 140S3-100210 3/4 | €582.44 | |||||||||
| A | 140S3-125210 3/4 | €542.67 | |||||||||
| A | 140S3-150210 3/4 | €542.67 |
WATTS -
LF40XL Series Automatic Re Seating Temperature and Pressure Relief Valves
A
B| Style | Model | Body Material | Discharge Capacity | Inlet Size | Outlet Size | Relief Valve Pressure | Max. Temp. | Max. Working Pressure | Inlet Type | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF40XL-Z2 150-210 3/4 | €655.47 | |||||||||
| B | LF40XL 75-210 1 | €1,208.27 | |||||||||
| A | LF40XL 75-210 3/4 | €767.30 | |||||||||
| A | LF40XL-8-125-210 3/4 | €778.40 | |||||||||
| B | LF40XL7 125-210 1 | €1,123.25 | |||||||||
| B | LF40XL7 150-210 1 | €951.59 |
| Style | Model | Relief Valve Pressure | Body Material | Max. Temp. | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Pressure Range | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF1L-2 125-210 1/2 | €114.22 | |||||||||
| A | LF1L-2 150-210 1/2 | €86.42 |
WATTS -
530C Series Pressure Relief Valves
A
B| Style | Model | Inlet Size | Outlet Size | Outlet Type | Body Material | Max. Temp. | Factory Set Pressure | Pressure Range | Lead | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 530FP | €135.43 | |||||||||
| A | 530C-STD 1/2 | €135.43 | |||||||||
| A | 530C-100-300 | €167.80 | |||||||||
| B | 530C-STD 3/4 | €153.05 |
WATTS -
1XL Series Temperature and Pressure Relief Valves
A
B| Style | Model | Thermostat Probe Length | Body Material | Inlet Size | Inlet Type | Outlet Type | Pressure Range | Inlet Thread Type | Shank Length | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 1XL 75-210 1/2 | €70.27 | |||||||||
| A | 1XL-150210 1/2 | €105.26 | |||||||||
| B | 1XL-8-150210 | €66.56 |
| Style | Model | Body Material | Max. Temp. | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Pressure Range | Lead | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | N240X-075/210 1 | €1,470.64 | |||||||||
| A | N240X9 75-210 1 | €1,654.11 |
WATTS -
LF3L Series Pressure Relief Only Valves
A
B
C| Style | Model | Factory Set Pressure | Body Material | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Spring Material | Pressure Rating | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF3L-175-Z2 3/4 | €162.22 | |||||||||
| A | LF3L-75-Z9 3/4 | €202.45 | |||||||||
| A | LF3L-150-Z9 3/4 | €193.22 | |||||||||
| A | LF3L-100 3/4 | €177.50 | |||||||||
| B | LF3L-075 3/4 | €225.80 | |||||||||
| C | LF3L-150 3/4 | €203.06 |
A| Style | Model | Body Material | Max. Working Pressure | Pressure Range | Relief Valve Pressure | Max. Temp. | Inlet Size | Outlet Size | Inlet Type | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF53L-Z2-30 1/2 | €183.06 | |||||||||
| A | LF53L-125 1/2 | €170.13 | |||||||||
| A | LF53L-175 1/2 | €170.13 | |||||||||
| A | LF53L-75 1/2 | €170.13 | |||||||||
| A | LF53L-100 1/2 | €170.13 | |||||||||
| A | LF53L-150 1/2 | €170.13 |
WATTS -
LF40L Series Temperature and Pressure Relief Valves
A
B
CD| Style | Model | Body Material | Discharge Capacity | Inlet Size | Outlet Size | Relief Valve Pressure | Max. Temp. | Inlet Type | Outlet Type | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF40XL 100-210 3/4 | €728.49 | |||||||||
| B | LF40L 150-210 3/4 | €661.91 | |||||||||
| C | LF40L 125-210 1 | €1,138.01 | |||||||||
| A | LF40XL-8 100-210 3/4 | €485.34 | |||||||||
| D | LF40XL7 75-210 1 | €1,161.77 | |||||||||
| A | LF40XL-8 150210 3/4 | €720.48 |
WATTS -
LL40XL Series Temperature and Pressure Relief Valves
A
B| Style | Model | Discharge Capacity | Inlet Size | Outlet Size | Relief Valve Pressure | Body Material | Max. Temp. | Max. Working Pressure | Inlet Type | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LL40XLM15-150210 3/4 | €664.69 | |||||||||
| A | LLL40XLM15-150210 3/4 | €695.19 | |||||||||
| A | LL40XL-75210 3/4 | €731.27 | |||||||||
| A | LLL40XLM15-125210 3/4 | €874.32 | |||||||||
| B | LL40XLM15-125210 1 | €1,293.32 | |||||||||
| B | LL40XLM15-150210 1 | €1,208.27 |
WATTS -
40L Series Temperature and Pressure Relief Valves
ABC| Style | Model | Discharge Capacity | Inlet Size | Outlet Size | Relief Valve Pressure | Thermostat Probe Length | Body Material | Max. Temp. | Max. Working Pressure | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 40L-075210 3/4 | €539.92 | |||||||||
| B | 40L-100210 1 | €866.23 | |||||||||
| C | 40XL-7-100210 1 | €828.37 | |||||||||
| C | 40XL-7-125210 1 | €854.22 | |||||||||
| C | 40XL-7-150210 1 | €739.13 | |||||||||
| B | 40L-150210 1 | €808.92 |
WATTS -
SL100XL Series Temperature and Pressure Relief Valves
A
B| Style | Model | Relief Valve Pressure | Body Material | Max. Temp. | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Pressure Range | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 3/4 SL100XL 125/210 3/4 | €76.26 | |||||||||
| B | SL100XL-Z5-150210 3/4 | €74.44 |
WATTS -
LF340 Series Temperature and Pressure Relief Valves
A
B
C| Style | Model | Body Material | Discharge Capacity | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Pressure Range | Lead | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF340X-8 150-210 1 1/2 | €6,390.77 | RFQ | ||||||||
| B | LF340 150-210 1 1/2 | €6,054.83 | RFQ | ||||||||
| C | LF340 125-210 1 1/2 | €6,210.57 |
| Style | Model | Body Material | Discharge Capacity | Relief Valve Pressure | Max. Temp. | Max. Working Pressure | Inlet Size | Outlet Size | Inlet Type | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF40L 100-210 1 | €1,138.01 | |||||||||
| A | LF40L 150-210 1 | €1,217.29 |
| Style | Model | Relief Valve Pressure | Body Material | Max. Temp. | Discharge Capacity | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LFN240X-9 100-210 1 | €2,457.25 | |||||||||
| A | LFN240X 110-210 1 | €2,104.09 |
WATTS -
3L Series Pressure Relief Valves
A
B| Style | Model | Body Material | Relief Valve Pressure | Max. Temp. | Inlet Size | Outlet Size | Inlet Type | Outlet Type | Lead | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 3L-125 3/4 | €139.12 | |||||||||
| A | 3L-100 3/4 | €152.54 | |||||||||
| A | 3L-75-Z9 3/4 | €158.10 | |||||||||
| A | 3L-150-Z9 3/4 | €150.24 | |||||||||
| A | 3L-125-Z9 3/4 | €164.09 | |||||||||
| A | 3L-150 3/4 | €127.55 | |||||||||
| A | 3L-95 3/4 | €139.12 | |||||||||
| B | 3L-075 3/4 | €139.12 |
WATTS -
53L Series Pressure Only Relief Valves
A
B
C| Style | Model | Max. Working Pressure | Inlet Type | Outlet Type | Relief Valve Pressure | Body Material | Max. Temp. | Factory Set Pressure | Discharge Capacity | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 53L-075 1/2 | €133.59 | |||||||||
| A | 53L-Z2-030 1/2 | €133.59 | |||||||||
| A | 53L-175 1/2 | €133.59 | |||||||||
| B | 53L-150 1/2 | €167.68 | |||||||||
| A | 53L-100 1/2 | €133.59 | |||||||||
| C | 53L-FP-175 1/2 | €130.36 |
AWATTS -
93 Series Angle Connector Gas Shutoff Valves
A
B
CWe are here to help!
Looking for a part not listed here?
Popular Search Queries
Explore More
- VERTX
- KINGSWAY GROUP
- KEYSHAFT
- Soldering Accessories
- Mechanical Machining Shears
- Door Hinges
- Hydraulic Hose Sleeves
- Rolling Ladders
- TRICO Positive Displacement System Pumps
- DAYTON Diffusers
- 3M Tripods
- ALLEGRO SAFETY Axial AC Metal Blowers with Canister & Ducting, 8 Inch
- ANSELL 11-425 Hyflex Abrasion Resistant Gloves
- CONDOR Electrical Gloves Protector White
- ASHCROFT A Series Explosion Proof Pressure Switches, 316SS Body
- ASHCROFT 1009 Stainless Steel Gauge, Stainless Steel Tube