Best Relief Valves (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Camco 10423 1/2" Temperature and Pressure Relief Valve with 4" Epoxy-Coated P...

9.8
CPR Score
Top 2

Camco Automatic Temperature and Pressure Relief Valve with Extension Probe an...

9.7
CPR Score
Top 3

Merrill MFG PRVNL75 No Lead Brass Pressure Relief Valve 75 PSI, 3/4"

9.7
CPR Score
Tips


Our team has analyzed 436 products of different Hydraulics, Pneumatics & Plumbing brands, including Camco, Milton, QWORK, Stens, Rheem, Zurn, PLUMB eeze, Legend Valve, FOGATTI, All Tool Depot, Watts, Control Devices, TeeJet, IrrigationKing, Heartland, Merrill, safety valve, Cash Acme And Watts Brass & Tubular. The following list of top 30 Relief Valves is prepared for the customers by analyzing 436 Relief Valves reviews and comparing different features. 

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Relief Valves Rated by CherryPicks

Market Overview
Relief Valves Reviewed
  • Reviews Analyzed: 9,026 Items
  • CPR Avg. Rating: 8.6 / 10
30 Products Evaluated
  • Highest Price: $94.47
  • Lowest Price: $6.99
  • Avg. Price: $28.02
Price Disclaimer

Top 30 Relief Valves on Amazon (Verified You can Buy)

Top 1

Camco 10423 1/2" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe

Camco
10423
11.38 x 3.63 x 1.6 Inches
0.55 Pounds

Ratings for Camco (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
MaxWarehouse 354

Features

Protects water heaters from excessive water temperatures and pressure
Resistant to corrosion
Show More
Top 2

Camco Automatic Temperature and Pressure Relief Valve with Extension Probe and Lever | Features an All Brass Body with a Stainless Steel Pressure Spring | (10473)

Camco
10473
1.5 x 3.63 x 11.38 Inches
0.54 Pounds

Ratings for Camco (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
CFOS LLC -

Features

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
Show More
Top 3

Merrill MFG PRVNL75 No Lead Brass Pressure Relief Valve 75 PSI, 3/4"

Merrill
PRVNL75
2.47 x 1.45 x 1.05 inches

Ratings for Merrill (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Merrill Manufacturing Company -

Features

Pressure relief valves are for protection against excessive pressure
3/4 in. male NPT x 1/2 in. female FPT
Show More
Top 4

Control Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4" Male NPT

Control Devices
CR25-100

Ratings for Control Devices (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Relief pressure adjustable from 0 to 100 psi
1/4" male NPT threaded inlet connection
Show More
Top 5

Watts Regulator 0342692 Boiler Relief Valve 3/4" 30Psi, No Size, bronz

Watts
0342692
3.1 x 2.3 x 2.0 Inches
0.5 Pounds

Ratings for Watts (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Capital Supply 2,771
Maintak -
Invictus Trade -
Daas traders by Sagar -

Features

Brand: Watts Regulator
Part Number: 0342692
Show More
Top 6

Milton S-1090-200 1/4" MNPT ASME Safety Valve - 200 PSI Pop off Pressure

Milton
s-1090-200
4.0 x 2.0 x 2.0 Inches
0.15 Pounds

Ratings for Milton (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

1/4" male national pipe threads
Bubble tight to 10% of pop off pressure
Show More
Top 7

Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030

Watts
0342691
3.0 x 2.3 x 1.8 Inches
0.0006 Pounds

Ratings for Watts (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Maintak -
Dave's_Warehouse -
HiTech Heat -

Features

Female pressure relief valve
Inlet (in): 3/4
Show More
Top 8

Control Devices-ST25-1A ST Series Brass ASME Safety Valve, 125 psi Set Pressure, 1/4" Male NPT

Control Devices
ST25-1A125
0.8 x 0.8 x 2.0 Inches
0.09 Pounds

Ratings for Control Devices (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Relief pressure preset to 125 psi with flow rate of 116 cfm
1/4" male NPT threaded inlet connection
Show More
Top 9

Cash Acme 3/4 Inch RV FWL-2 Pressure Relief Valve, Bronze, 150 PSI, 14737-0150

Cash Acme
14737-0150
1.0 x 1.5 x 4.25 Inches
0.49 Pounds

Ratings for Cash Acme (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

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
Show More
Top 10

IrrigationKing RKP-2 Pressure Relief Valve 22-80 PSI Orange Cover, 2"

IrrigationKing
RKP-2
4.19 Pounds

Ratings for IrrigationKing (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
IrrigationKing -

Features

Provides pressure surge protection for irrigation systems
Adjustable pressure setting maximizes performance for individual applications
Show More
Top 11

Merrill MFG PRVNL50 1/2" No-Lead Pressure Relief Valve, Brass

Merrill
PRVNL50-A

Ratings for Merrill (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Merrill Manufacturing Company -

Features

Pressure relief valves are for protection against excessive pressure
1/2 in. male NPT x 1/2 in. female FPT
Show More
Top 12

P1000AXL-125C - Pressure Relief Valve

Zurn
P1000AXL-125C
4.75 x 2.0 x 1.5 Inches

Ratings for Zurn (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Three-Fifteen.Inc -

Features

Pressure Relief Valve set at 125 psi
Top 13

QWORK 150Psi Pressure Relief Valve with 3/4-Inch Pipe Thread, Pressure Reducing Valve

QWORK
WD4057

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 1,047

Features

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
Show More
Top 14

Camco 10427 3/4" Temperature and Pressure Relief Valve with 3-5/16" Long Shank

Camco
10427
12.0 x 4.0 x 2.0 Inches
0.5 Pounds

Ratings for Camco (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Aserson 186

Features

Safely relieves temperature and pressure
Relieves pressure up to 150psi and/or 210˚F
Show More
Top 15

Watts 1 FNPT Brass Pressure Relief Valve 1 FNPT 1 pk

PLUMB eeze

Ratings for PLUMB eeze (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SupplyKick 1,695
Top 16

Camco 10493 3/4" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe - Extended Shank

Camco
10493
0.67 x 3.63 x 11.38 Inches
0.67 Pounds

Ratings for Camco (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Moofin 298
Stock Your Home 202
Lifeline Brands 1,080
etailSuperStore 9,764

Features

3/4" inlet-outlet
Pressure setting of 150 psi
Show More
Top 17

Stens 758-619 Thermal Relief Valve Compatible with/Replacement for General Pump 100558, 1/2" Inlet, Max Temperature 140°F, Temperature 140°F

Stens
758-619
3.95 x 3.15 x 1.1 Inches
0.1 Pounds

Ratings for Stens (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
powered_by_moyer 3,101

Features

specs: Thermal Relief Valve, Inlet: 1/2", Max Temperature: 140°F, Temperature: 140°F
Replaces OEM Number: General Pump: 100558
Show More
Top 18

Legend Valve 111-302NL T-50 No Lead Pressure Relief Valve 75-150 PSI, 1/2"

Legend Valve
111-302NL

Ratings for Legend Valve (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Stanios Industrial Supply Inc. 6,570
Big Frog Supply 5,482
Ohio Supply -

Features

Pressure Rating: Adjustable from 75 to 150 P.S.I
Brass Body
Show More
Top 19

Control Devices-ST25-1A ST Series Brass ASME Safety Valve, 60 psi Set Pressure, 1/4" Male NPT

Control Devices
ST25-1A060
5.0 x 1.0 x 1.0 Inches
0.0006 Pounds

Ratings for Control Devices (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Relief pressure preset to 60 psi with flow rate of 61 cfm
1/4" male NPT threaded inlet connection
Show More
Top 20

Rheem Temperature and Pressure Relief Valve SP8346, Small

Rheem
SP8346
1.0 x 1.2 x 0.2 Inches
0.65 Pounds

Ratings for Rheem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

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
Show More
Top 21

TeeJet 23120-3/4-PP Pressure Relief Valve polypropylene

TeeJet
0.36 Pounds

Ratings for TeeJet (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Westheffer -
Binkley_Hurst -
MM Weaver Inc. -

Features

Modified Item: No
Mpn: 23120-3/4-PP
Show More
Top 22

Watts Brass & Tubular 374A 3/4 Boiler Relief Valve

Watts Brass & Tubular
374A
4.1 x 2.6 x 2.0 Inches
0.01 Pounds

Ratings for Watts Brass & Tubular (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Southfork Homecenter 5,247
UA INTERNATIONAL -
GLOBAL STORE SELL -
US Deals Corp -

Features

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
Show More
Top 23

New 1/4" ASME Brass Safety relief Valve 175 PSI American made Compressed air pop off valve

safety valve
SRV250-14

Ratings for safety valve (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Industrial Equipment Expert 9,474

Features

1/4" male NPT 175 PSI Industrial air compressor / tank pressure safety relief valve.
Also known as a "Pop Off" or "Blow Off" valve.
Show More
Top 24

NEW Control Devices AX Series Brass ASME Safety Valve 1/4" NPT 140 PSI 55 SCFM

All Tool Depot
AX-SV-SERIES
0.5 x 2.0 x 0.5 Inches
1.44 ounces

Ratings for All Tool Depot (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
B2B ALL TOOL Depot -

Features

PLEASE NOTE: 1/4" MALE NPT THREADED INLET CONNECTION APPROX 0.54 INCHES OUTSIDE DIAMETER
Brass construction and stainless steel spring for corrosion resistance. The preset relief pressure is accurate to within +/- 3 percent and a silicon O-ring provides a leak-proof seal to within +/- 10 percent of the relief pressure.
Show More
Top 25

Control Devices ST25-1A175 ST Series Brass Soft Seat ASME Safety Valve, 175 psi Set Pressure, 1/4 Male NPT

Control Devices
ST25-1A175
2.0 x 1.0 x 1.0 Inches
0.0006 Pounds

Ratings for Control Devices (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Relief pressure preset to 175 psi with flow rate of 157 cfm
1/4 NPT threaded inlet connection with Vibra-Seal thread lock
Show More
Top 26

Legend Valve 111-304NL T-50 No Lead Pressure Relief Valve 75-150 PSI, 3/4"

Legend Valve
111-304NL

Ratings for Legend Valve (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ADVENTURER'S BAG 1,760
Stanios Industrial Supply Inc. 6,570
Big Frog Supply 5,482
Blastline USA Inc. -
Plumbing Shop -

Features

Pressure Rating: Adjustable from 75 to 150 P.S.I
Brass Body
Show More
Top 27

5 PSI 1/4 NPT Pressure Relief Valve Heartland HPV-1005

Heartland
1.0 x 1.0 x 1.0 Inches
2.0 ounces

Ratings for Heartland (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Debro Sales -
Top 28

FOGATTI Pressure Relief Valve 2-Port 3/4 Inches Pressure Relief Valve ANSI Z21.22, 100PSI, Max Heater Input 200,000BTU/HR

FOGATTI

Ratings for FOGATTI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HaiNaDS -
WuChuanDS -

Features

2-Port 3/4 Inches
Pressure Relief Valve ANSI Z21.22
Show More
Top 29

Control Devices - ST25-1A200 ST Series Brass ASME Safety Valve, 200 psi Set Pressure, 1/4" Male NPT

Control Devices
ST25-1A200
5.0 x 1.0 x 1.0 Inches

Ratings for Control Devices (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Relief pressure preset to 200 psi with flow rate of 178 cfm
1/4" male NPT threaded inlet connection
Show More
Top 30

Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve

Watts
1/2 530-C
3.8 x 2.3 x 1.5 Inches

Ratings for Watts (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Peak Trading -
FAST & FREE SHIPPING -
Hajoca Richmond -

Features

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
Show More

Top 10 Relief Valves - Verified to Buy (Apr. 2024)

Top 10 Relief Valves Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Camco
  • Merrill
  • Control Devices
  • Watts
  • Milton
  • Cash Acme
  • IrrigationKing
  • Zurn
  • QWORK
  • PLUMB eeze

Top 10 Relief Valves Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Aserson 8,985 4.9
🥈 Stock Your Home 8,629 4.9
🥉 Moofin 7,058 4.8
4 MaxWarehouse 6,214 4.7
5 QWORK 3,077 4.9
6 Lifeline Brands 3,016 4.8
7 SupplyKick 2,285 4.9
8 ADVENTURER'S BAG 2,234 4.8
9 Capital Supply 1,607 4.9
10 powered_by_moyer 1,473 4.7
View or download top Relief Valves seller & rating report
Aserson [8985] Stock Your Home [8629] Moofin [7058] MaxWarehouse [6214] QWORK [3077] Lifeline Brands [3016] SupplyKick [2285] ADVENTURER'S BAG [2234] Capital Supply [1607] powered_by_moyer [1473] Aserson 20% Stock Your Home 19% Moofin 16% MaxWarehouse 14% QWORK 7% Lifeline Brands 7% SupplyKick 5% ADVENTURER'S BAG 5% Capital Supply 4% powered_by_moyer 3%

[Get] Relief Valves Deals (✅Exclusively for Prime)

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When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

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What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Hydraulics, Pneumatics & Plumbing supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Relief Valves to buy for new April 2024?

CherryPicks’s Methodology for Evaluating Relief Valves

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Hydraulics, Pneumatics & Plumbing items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 436 of Relief Valves reviews based on our selection criteria. It helped us shortlist the top qualified and rated Relief Valves for Hydraulics, Pneumatics & Plumbing, We found that most customers choose Relief Valves with an average price of $28.02, and the top brands are Camco, Milton, QWORK, Stens, Rheem, Zurn, PLUMB eeze, Legend Valve, FOGATTI, All Tool Depot, Watts, Control Devices, TeeJet, IrrigationKing, Heartland, Merrill, safety valve, Cash Acme And Watts Brass & Tubular. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Relief Valves for you, We have researched hundreds of sellers and picked the top sellers for Hydraulics, Pneumatics & Plumbing, including Aserson, Stock Your Home, Moofin, MaxWarehouse, QWORK, Lifeline Brands, SupplyKick, ADVENTURER'S BAG, Capital Supply, powered_by_moyer, Southfork Homecenter And Big Frog Supply. The Camco 10423 1/2" Temperature and Pressure Relie... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 1,128 consumers with an average rating of 4.7.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Relief Valves to buy.


Written By Thomas Joseph

Thomas Joseph has over 7 years of working experience with a reputation science laboratory. He is a father, a writer, and a pet lover. He would be sharing his expert knowledge on Industrial and scientific equipment to help us make the right purchase.