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The Best Water Pressure Relief Valve of 2023 – Reviewed and Top Rated

2,353 Reviews Scanned

Rank No. #1
Merrill MFG PRVNL75 No Lead Brass Pressure Relief Valve 75 PSI, 3/4"
  • Pressure relief valves are for protection against excessive pressure
  • 3/4 in. male NPT x 1/2 in. female FPT
  • Lead free brass with stainless steel control springs
  • 3/4" Line Connection, 75 PSI
  • Not for use with water heaters -Cold water systems only
SaleRank No. #2
Cash Acme 3/4 Inch RV FWL-2 Pressure Relief Valve, Bronze, 150 PSI, 14737-0150
  • DESIGN: The NCLX Series relief valves feature a cast bronze body, brass, and stainless steel internal parts, silicone seat disc, and stainless steel pressure spring
  • BRONZE BODY: Lead-free and superior reliability
  • COMPACT: Pressure reducing and regulating valves
  • CERTIFIED: To ASSE standard 1003 and CSA Standard B356; Certified lead free complying with NSF 319
  • ASSEMBLED AND TESTED: Prepared in Cash Acme manufacturing plant in Cullman, Alabama
Rank No. #3
Merrill MFG PRVNL50100 1/2" No-Lead Pressure Relief Valve, 100 PSI
  • Pressure relief valves are for protection against excessive pressure
  • 1/2 in. male NPT x 1/2 in. female FPT
  • Lead free brass with stainless steel control springs
  • 1/2" Line Connection, 100 PSI
  • Not for use with water heaters - Cold water systems only
Rank No. #4
Merrill MFG PRVNL75100 No Lead Brass Pressure Relief Valve 100 PSI, 3/4"
  • Pressure relief valves are for protection against excessive pressure
  • Lead free brass with stainless steel control springs
  • 3/4" Line Connection, 100 PSI
  • Not for use with water heaters -Cold water systems only
  • 3/4 in. male NPT x 1/2 in. female NPT
Rank No. #5
Control Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4" Male NPT
  • Relief pressure adjustable from 0 to 100 psi
  • 1/4" male NPT threaded inlet connection
  • Brass construction and stainless steel spring for corrosion resistance
  • Silicon O-ring provides leak-proof seal to within 10 percent of set pressure
  • Micrometer-style nylon knob for pressure relief adjustment
SaleRank No. #6
Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in. FIP x MIP
  • 1 TANKLESS HEATER SOLUTION: Ideal for Releasing Pressure in your Tankless or Closed-Loop Hot Water Systems
  • Fully Automatic Valve Reseats Itself after Relieving Pressure
  • SUPERIOR QUALITY: Heavy Duty Forged Brass Construction; Lead Free; Dezincification Resistant; Corrosion Resistant
  • UNIVERSAL FIT: Secure, Leak-Free 3/4 in. FIP x MIP Connections
  • Easy Installation and Compact Design
Rank No. #8
Zurn 12-P1500XL - 1/2" Pressure Relief Valve
  • 1/2" Pressure Relief Valve
  • Perfect For Thermal Expansion Relief
  • Calibrated Adjustments From 25 To 175 Psi
  • Color: Gold
Rank No. #9
Adjustable Relief Valve, 3/4 x 1/2, 175psi
  • Price For: Each Inlet Type: MNPT Temp. Range: 0 Degrees to 180 Degrees F Outlet Size: 1/2" Spring Material: Stainless Steel Overall Height: 3" Disc Material: Buna-N Application: Fire Protection Systems Pressure Range: 50 to 175 psi Overall Length: 1-5/8" Body Material: Brass Standards: ANSI Z21.22 Outlet Type: FNPT Test Lever: No Factory Set Pressure: 175 psi
  • Inlet Size: 3/4" Seat Material: Buna-N Item: Calibrated Adjustable Relief Valve Item: Calibrated Adjustable Relief Valve Pressure Range: 50 to 175 psi Standards: ANSI Z21.22 Country of Origin (subject to change): United States
Rank No. #10
Merrill MFG PRVNL50 1/2" No-Lead Pressure Relief Valve, Brass
  • Pressure relief valves are for protection against excessive pressure
  • 1/2 in. male NPT x 1/2 in. female FPT
  • Lead free brass with stainless steel control springs
  • 1/2" Line Connection, 75 PSI
  • Not for use with water heaters - Cold water systems only
Rank No. #11
FOGATTI Pressure Relief Valve 2-Port 3/4 Inches Pressure Relief Valve ANSI Z21.22, 100PSI, Max Heater Input 200,000BTU/HR
  • 2-Port 3/4 Inches
  • Pressure Relief Valve ANSI Z21.22
  • 100PSI
  • Max Heater Input 200,000BTU/HR
SaleRank No. #12
Legend Valve 111-302NL T-50 No Lead Pressure Relief Valve 75-150 PSI, 1/2"
  • Pressure Rating: Adjustable from 75 to 150 P.S.I
  • Brass Body
  • Iron Pipe Straight Thread
  • Pressure relief valves are for protection against excessive pressure
  • Spring is made of Stainless Steel
Rank No. #13
FOGATTI Temperature and Pressure Relief Valve 210°F 150PSI with 4" Probe for Water Heaters and Hot Water Storage Tanks 3/4" NPT Threaded
  • Temperature Relief: 210°F Standard
  • Available Set Pressures: 150 PSI Standard
  • Materials: Brass and Stainless Steel
  • Connections: 3/4" NPT(M) x 3/4" NPT(F) Threaded
  • Certified: ANSI Z21.22-2015·CSA 4.4-2015 Standard
Rank No. #14
Cash Acme 3/4 Inch NCLX-5 Temperature and Pressure Relief Valve, Push to Connect Brass Plumbing Fittings, Copper, CPVC Pipe, 150 PSI, 15836-0150
  • CASH ACME RELIEF VALVE: Cash Acme NCLX Combination Temperature and Pressure Relief Valves are designed for the protection of water heaters and storage tanks; incorporate an inert thermal element coating that provides effective isolation from mineral deposits (liming) and galvanic corrosion
  • DESIGN: The NCLX Series relief valves feature a cast bronze body, brass, and stainless steel internal parts, silicone seat disc, and stainless steel pressure spring
  • COMPACT: Pressure-reducing and regulating valves
  • SPECS: NCLX Valves come with standard factory settings of 150 PSI for pressure relief and 210 degrees F for temperature relief
  • CERTIFIED: The NCLX Temperature and Pressure Relief Valve is certified to be lead-free in accordance with NSF 319; compliant with ASSE standard 1003 and CSA standard B357
SaleRank No. #15
Rheem SP12574 Temperature and Pressure Relief Valve,Small
  • Size: Small.For best results, use only Rheem replacement parts for repairing your Rheem Water Heater
  • Maximum Temperature Setting (Deg. F): 210, Maximum Pressure Setting (psi): 150, CSA Capacity (BTU/HR): 105,000, Inlet Thread Size - NPT (in.): 3/4
  • Outlet Thread Size - NPT (in.): 3/4, Overall Length (in.): 7-1/4, Body Length (in.): 3-1/4, Sensor Length (in.): 4
  • Kits which contain this part: 45W613
Rank No. #16
Camco Automatic Temperature and Pressure Relief Valve with Extension Probe and Lever | Features an All Brass Body with a Stainless Steel Pressure Spring | (10473)
  • Provides Protection: Helps protect your RV or home water heater from excess temperature and water pressure
  • Connection: ¾-inch NPT connection allows hookup to RV and home water heaters; Dimensions: 1 3/16-inch shank; 4-inch probe
  • Factory Setting: 150 PSI/210° Fahrenheit
  • Features: Extension probe is epoxy-coated to prevent corrosion buildup; Construction: All brass body with stainless steel pressure spring
  • Certification: CSA certified to ANSI Z21.22
Rank No. #17
Cash Acme 3/4 Inch F-30 Safety Relief Pressure Release Valve, Brass Plumbing Fitting, 20166-0030
  • CASH ACME SAFETY RELIEF VALVE: The Cash Acme F-30 Safety Relief Valve is designed for use on hot water space heating boilers, water supply heaters, and storage tanks
  • EASY TO USE: This push-to-connect water pressure relief valve features an innovative design that reduces the number of parts allowing for quick and easy repair or service; includes a lever that is set at 30 PSI
  • COMPATIBLE IN TIGHT SPACES: The relief pressure valve is ideal for use in tight spaces and can be installed in wet lines
  • DURABLE: This pressure relief valve is made with a lead-free bronze body that provides strength and durability
  • CERTIFIED: This 3/4 inch F-30 Temperature and Pressure Relief Valve is certified to be lead-free in accordance with NSF 337; compliant with ASSE standard 1003 and CSA standard B356
SaleRank No. #18
Accumeter 3/4 Lead-Free Water Pressure Regulator Brass Water Valve with Gauge, Adjustable Pressure Reducer for RV Camper, Build in Oil, NH Thread
  • [Safety and Healthy]: Made of Lead Free Brass, our regulator meets NSF lead-free requirements of less than 0.25%.Our water pressure regulator can reduce original water pressure and make it stable to use.
  • [Compatibility]: Compatible with U.S. 3/4" water sources(ND20) & NH threads, the regulator can compatible with all U.S. water sources.
  • [Durability]: Built in oil design can damps vibrations of internal parts or sudden pressure changes and to prolong lifespan of gauge.
  • [Adjustment]: Through screw driver, the water pressure can be adjusted from 0-160psi easily (Maximum tolerable water pressure: 240psi). Just adjust the brass screw (at the top of regulator) to change the pressure - or +. Arrives with our easy installation guide.
  • [Easy to clean]: The removable valve spool is easy to clean or replace.Double-layer inlet screened filter design will filter the particles like gravel, debris to prevent impurity blocking and valve body damage.
Rank No. #19
QWORK 150Psi Pressure Relief Valve with 3/4-Inch Pipe Thread, Pressure Reducing Valve
  • High Quality: Brass construction, good high temperature resistant, anti-corrosion, sturdy and durable for long term service,100% brand new.
  • Size: 3/4-Inch male NPT thread
  • Function: Designed to protect water heater from excessive water temperatures and pressure
  • Pressure rating : 150Psi
  • 100% Satisfied Service: Enjoy a smooth & frustration-free experience with our 100% Satisfied Service in one Month!
Rank No. #20
3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass, 3/4 Inch Service Installation Valve for rheem,rinai,ecosmart,navien,noritz,takagi,bosch.
  • 【Product Features】3/4 inch IPS isolation tankless water heater service valve kit includes hot and cold isolation valves(600 WOG) and pressure relief valve (150 psi/200K BTU). Colored valve handles for easy identification and use of hot and cold valves. Integrated drain valve with brass safety cap providing easy maintenance. Full port ball valve for better flow rate.
  • 【Widely Use】: The 3/4 inch size tankless kit is suitable for most American residential use, including domestic and commercial tankless gas water heater brands such as Rheem,Rinai, Ecosmart,Navien,Noritz,Takagi,Bosch and so on.
  • 【LEAD FREE Certification】: The components are certified lead free. Meets all federal & state standards for lead levels in drinking water system components. You can also find the CSA certification on the pressure relief valve to prove its authenticity.
  • 【Excellent Integrated Design】: Thickened brass body, gravity forging, one-piece forged brass body can effectively prevent any leakage or dripping, the main isolation valve group has passed a leak-free test before leaving the factory ,and can be used for a long time.
  • 【After-sales Commitment】If you have any issues with installation or any other concerns, please feel free to reach out to us during your free time. We stand behind the quality of our product and offer a 365-day satisfaction guarantee.

Last update on 2023-08-05 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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  1. Brand Value: Every brand of Water Pressure Relief Valve has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Water Pressure Relief Valve?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Water Pressure Relief Valve.
  5. Customer Ratings: Number ratings grade Water Pressure Relief Valve objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Water Pressure Relief Valve.
  7. Product Quality: You don’t always get what you pay for with an Water Pressure Relief Valve, sometimes less, and sometimes more.
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