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The 10 Best Relief Valves to Buy – June 2023 edition

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Discover now our comparison of the best Relief Valves. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Relief Valves are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Relief Valves in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1
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
SaleNo. 2
Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030
  • Female pressure relief valve
  • Inlet (in): 3/4
  • Outlet (in): 3/4
  • BTU: 510,000
  • Inlet (in): 3/4
  • Outlet (in): 3/4
  • Pressure (psi): 30
  • BTU: 510,000
  • Inlet (in): 3/4
  • Outlet (in): 3/4
  • Pressure (psi): 30
No. 3
Merrill MFG PRVNL75100 No Lead Brass Pressure Relief Valve 100 PSI, 3/4'
6 Consomer Reviews
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
No. 4
Watts Regulator 0342692 Boiler Relief Valve 3/4" 30Psi, bronz
  • Brand: Watts Regulator
  • Part Number: 0342692
  • Boiler Relief Valve 3/4" 30Psi
No. 5
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
No. 6
Cash Acme 3/4 Inch RV FWL-2 Pressure Relief Valve, Bronze, 150 PSI, 14737-0150
13 Consomer Reviews
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
No. 7
Merrill Heavy PRVHDNL100 No Lead Heavy Duty Brass Pressure Relief Valve 75 PSI, Contractor Grade, 1"
  • Pressure Valves are for protection against excessive pressure
  • Lead Free Heavy Duty Brass Construction
  • 1 in. MIP x 1 in. FIP
  • 1" Line Connection, 75 PSI - Field Adjustable
  • Not for use with water heaters - Cold water systems only
No. 8
Control Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4' Male NPT
291 Consomer Reviews
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
No. 9
Merrill MFG PRVNL50 1/2' No-Lead Pressure Relief Valve, Brass
8 Consomer Reviews
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
No. 10
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

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We do everything we can to offer you relevant comparisons, based on various criteria and constantly updated. The product you are looking for is probably among these pages. A few clicks will allow you to make a fair and relevant choice. Don’t be disappointed with your purchases made on the Internet and compare the best Relief Valves now!

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Last update on 2023-06-07 at 22:36 / Affiliate links / Images from Amazon Product Advertising API