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In order to obtain the Best Relief Valves (2021), our dynamic platforms and gurus have taken many parameters into account such as product usability, features that meet consumers needs and give customer satisfaction, defect-free, conformance of standards, worthiness for money, dependability, user-friendly design, quality conformance to needs and good practises, health and safety, real customer satisfaction and many others. It is of great importance to mention that each user has different requirements so please consider the ranking below as a guideline and not as a gospel. Nevertheless, in the below benchmarking you can undoubtedly find the overall best ones regardless of your needs.

Our intelligent platforms and qualified hi-technology experts work hard to provide you with the best product options. We are positive that our review benchmarking can help you simplify your purchase decision and choose among the absolute Best Relief Valves (2021).

Best Relief Valves

Best Choice No. 1
Rheem SP12574 Temperature and Pressure Relief Valve,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
Best Choice No. 2
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
Best Choice No. 3
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
Best Choice No. 4
Camco 10423 1/2″ Temperature and Pressure Relief Valve with 4″ Epoxy-Coated Probe
  • Protects water heaters from excessive water temperatures and pressure
  • Resistant to corrosion
  • Factory preset to 150 psi and 210 degrees Fahrenheit
  • 1/2″ – 14 NPT male inlet; 1/2″ – 14 NPT female outlet with 4″ probe
  • CSA certified
Best Choice No. 5
P1000AXL-30C – Pressure Relief Valve
  • Pressure Relief Valve Set At 30 Psi
  • Country Of Origin: China
  • From The Brand: Zurn
  • Number Of Items: 1
Best Choice No. 6
Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 50 psi Set Pressure, 3/4″ NPT Male x Female
  • Relief pressure preset of 50 psi for releasing excess pressure
  • 3/4″ male NPT threaded inlet for connecting to a female NPT threaded connection
  • ASTM B584 bronze body and nozzle and stainless steel spring for corrosion resistance
  • 250 degrees F maximum temperature for use in high-temperature applications
  • ASME safety rated for Section IV water heating systems
SaleBest Choice No. 7
Watts Brass & Tubular 374A 3/4 Boiler Relief Valve
  • Protects hot water space heating boilers Compact construction, produces exceptionally high capacity Protects boiler installations up to 550,000 Btu/hr at 30 lb
  • This product adds a great value
  • This product is manufactured in United States
Best Choice No. 8
Watts 0371271 530C 1/2″ Poppet Style Adjustable Relief Valve
  • Guards against excessive pressure in water, oil or air systems used in commercial, residential or industrial applications, including fire protection systems
  • All-brass construction features an NPT threaded male inlet and NPT threaded female (drain) outlet connections; a stainless-steel spring; a brass bonnet; a Buna-N disc and a Buna-N O-ring
  • Calibrated adjustment feature sets valve to the required relief pressure
  • Maximumpressure is 300 psi (20.67 bar); adjustable range is 50 to 175 psi (3.45 to 12.06 bar)
  • Size is 3.8 x 2.3 x 1.5 inches
Best Choice No. 9
Cash Acme 13570-0150 Pressure Relief Valve, Brass
  • MODULAR CARTRIDGE DESIGN: Reduces the number of parts requiring service make for quick and easy service/repair
  • 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 344
  • PRESSURE: Lever set at 150 PSI
Best Choice No. 10
Legend Valve 111-303NL T-50 No Lead Pressure Relief Valve 100-150 PSI, 1/2″
  • Pressure Rating: Adjustable from 100 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

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