Best Relief Valves

6.6k reviews scanned and analysysed
Matthew Richardson
Matthew Richardson Writer
Last Updated: Oct 22, 2024 Share On:

Are you looking for the best relief valves? Then this article is for you.

We recognize that with so many options on the market, it can be confusing and disorienting to make the right choice.

After a few days of research and comparison by our experts, we have came up a list of the best 10 products with brands such as Cash Acme, Control Devices, and Camco.

Go ahead and start reading our article.

A Quick Look: Our Top Picks

Top 1
Watts 0342691 30 Psi Pressure Relief Valve
9.9We rank the products based on a number of factors such as features, price, customer reviews and so on.

Watts 0342691 30 Psi Pressure Relief Valve

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Top 1 Watts 0342691 30 Psi Pressure Relief Valve

Watts 0342691 30 Psi Pressure Relief Valve

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Top 2
Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve
9.8We rank the products based on a number of factors such as features, price, customer reviews and so on.

Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve

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Top 2 Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve

Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve

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Top 3
Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi
9.5We rank the products based on a number of factors such as features, price, customer reviews and so on.

Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi

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Top 3 Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi

Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi

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*Note The result is based on our independent research, and we are reader-supported and do not promote any brand or retailer. As a member of Amazon Marketing Affiliates, we may receive a commission from qualified purchases.

Top 10 Relief Valves Reviews 2024 In Detail

1 Editor's Choice

Watts 0342691 30 Psi Pressure Relief Valve

WATTSBrand WATTS - 118946Model 1.8H*3.0L*2.3W inchesDimension 0.0 lbWeight
Ranked #1 in Best Bronze Relief Valves Of 2024
Watts 0342691 30 Psi Pressure Relief Valve cover
Watts 0342691 30 Psi Pressure Relief Valve thumb #1Watts 0342691 30 Psi Pressure Relief Valve thumb #2
9.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$
FreeShipping
Check On Amazon Search On eBay
Visit Store » SPS Enterprises of NY ( 4.77 / 5 )
Features
  • Female pressure relief valve
  • Inlet (in) - 3/4
  • Outlet (in) - 3/4
  • BTU - 510,000
  • Pressure (psi) - 30
  • BTU - 510,000
  • Inlet (in) - 3/4
  • Outlet (in) - 3/4
  • Pressure (psi) - 30
2 Editor's Choice

Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve

CASH ACMEBrand 14737-0150Model 4.25H*1.0L*1.5W inchesDimension
Ranked #3 in Best Bronze Relief Valves Of 2024
Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve cover
Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve thumb #1Cash Acme 14737-0150 3/4 Inch Rv Fwl-2 Pressure Relief Valve thumb #2
9.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
Save 42% + FreeShipping
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Visit Store » Amazon.com ( 4.68 / 5 )
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
  • 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
3 Editor's Choice

Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi

MERRILLBrand PRVNL75Model 1.05H*2.47L*1.45W inchesDimension
Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi cover
Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi thumb #1Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi thumb #2Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi thumb #3Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi thumb #4Merrill PRVNL75 No Lead Brass Pressure Relief Valve 75 Psi thumb #5
9.5We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
FreeShipping
Check On Amazon Search On eBay
Visit Store » Merrill Manufacturing Company ( 4.72 / 5 )
Features
  • Pressure relief valves are for protection against excessive pressure
  • 3/4 inch male NPT x 1/2 inch female FPT
  • Lead free brass with stainless steel control springs
  • 3/4 inch Line Connection, 75 PSI
  • Not for use with water heaters - Cold water systems only
4

Camco 10473 Automatic Temperature And Pressure Relief Valve

CAMCOBrand 10473Model 1.75H*11.15L*3.75W inchesDimension 0.54 lbWeight
Camco 10473 Automatic Temperature And Pressure Relief Valve cover
Camco 10473 Automatic Temperature And Pressure Relief Valve thumb #1Camco 10473 Automatic Temperature And Pressure Relief Valve thumb #2Camco 10473 Automatic Temperature And Pressure Relief Valve thumb #3
9.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $
Save 19% + FreeShipping
Check On Amazon Search On eBay
Visit Store » Amazon.com ( 4.68 / 5 )
Features
  • Provides Protection - Helps protect your RV or home water heater from excess temperature and water pressure
  • Connection - -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
5

Watts Regulator 0342692 Boiler Relief Valve 3/4 Inch 30Psi

WATTSBrand WATTS - 118951Model 3.1H*2.3L*2.0W inchesDimension 0.0 lbWeight
Ranked #6 in Best Bronze Relief Valves Of 2024
Watts Regulator 0342692 Boiler Relief Valve 3/4 Inch 30Psi cover
9.2We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Excellent Price: $$
FreeShipping
Check On Amazon Search On eBay
Visit Store » SPS Enterprises of NY ( 4.77 / 5 )
Features
  • Part Number - 0342692
  • Boiler Relief Valve 3/4 inch 30Psi
6

Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve

BONUCIBrand PS-Bonuci-630Model
Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve cover
Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve thumb #1Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve thumb #2Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve thumb #3Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve thumb #4Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve thumb #5Bonuci PS-BONUCI-630 4 Pcs 1/4 Inch Male Npt Safety Valve Pressure Relief Valve Air Compressor Check Valve thumb #6
9.0We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $
FreeShipping
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Visit Store » Peasunni ( 4.88 / 5 )
Features
  • Package Includes - you will receive 4 pieces of 1/4 inch NPT threaded pressure relief valve with seal thread locks, enough quantity for your daily use and replacement, providing more convenience for you
  • Reliable and Sturdy - made of brass, the NPT threaded air compressor parts have corrosion resistance, high temperature ductility and low magnetic permeability, suitable for discharging air, water and oil from air compressor
  • Product Information - the working pressure of safety release valve is 150PSI, the flow is 178 cfm, and the temperature range is from -65 degrees Fahrenheit to +250 degrees Fahrenheit
  • Warm Tips - the 1/4 inch brass air pressure release valve for using in high temperature applications up to 250 degrees Fahrenheit, please pay attention to safety when using
  • Practical Function - the air compressor pressure valve can reduce overpressure or vacuum in the system; When the pressure in the air compressor box exceeds a preset level, the valve opens, allowing fluid or gas to escape to reduce the pressure; When the pressure drops below the preset level, the valve opens, allowing fluid or gas to be released into the system, then closes when the valve reaches the reset pressure limit
7

Watts 958208 3/4 Inch Bronze Pressure Relief Valve

WATTSBrand 958208Model 10.5H*4.0L*0.75W inchesDimension 0.1 lbWeight
Ranked #5 in Best Bronze Relief Valves Of 2024
Watts 958208 3/4 Inch Bronze Pressure Relief Valve cover
Watts 958208 3/4 Inch Bronze Pressure Relief Valve thumb #1Watts 958208 3/4 Inch Bronze Pressure Relief Valve thumb #2Watts 958208 3/4 Inch Bronze Pressure Relief Valve thumb #3Watts 958208 3/4 Inch Bronze Pressure Relief Valve thumb #4Watts 958208 3/4 Inch Bronze Pressure Relief Valve thumb #5
8.9We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $$
Check On Amazon Search On eBay
Visit Store » SPS Enterprises of NY ( 4.77 / 5 )
Features
  • PRESSURE RELIEF VALVE - The Watts 3/4 inch Lead-Free Bronze Pressure Relief Valve provides fully automatic self-closing temperature and pressure relief protection for hot water storage tanks and water heaters up to 105,000 BTU/HR.
  • COMPREHENSIVE FEATURES - This 2-in-1 temperature and pressure relief valve features a lead-free copper alloy body construction, NPT male inlet x NPT female outlet connections, test lever, and extension thermostat for installation in the hot water outlet line or directly in the tank tapping.
  • ADVANCED THERMOSTAT - Equipped with a unique thermostat featuring a special thermo-bonded coating, these valves provide accurate readings. The thermostat must be immersed in the water within the top 6 inch (152 mm) of the tank to provide precise temperature control.
  • HIGH PROTECTION LEVEL - ASME rated and CSA listed, these valves are designed with a temperature relief setting of 210 F (99 C) and a pressure relief range of 75 to 150 psi (5.2 to 10.3 bar).
  • EVERY DROP COUNTS - Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.
8

Control Devices CR25-100 Cr Series Brass Pressure Relief Valve

CONTROL DEVICESBrand CR25-100Model
Control Devices CR25-100 Cr Series Brass Pressure Relief Valve cover
Control Devices CR25-100 Cr Series Brass Pressure Relief Valve thumb #1
8.8We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $$
FreeShipping
Check On Amazon Search On eBay
Visit Store » Amazon.com ( 4.68 / 5 )
Features
  • Relief pressure adjustable from 0 to 100 psi
  • 1/4 inch 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
9

Watts 372271 530C 3/4 Inch Poppet Style Adjustable Relief Valve

WATTSBrand 372271Model 1.5H*3.8L*2.3W inchesDimension 0.0 lbWeight
Watts 372271 530C 3/4 Inch Poppet Style Adjustable Relief Valve cover
8.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $$$
FreeShipping
Check On Amazon Search On eBay
Visit Store » Nibras Prime ( 4.67 / 5 )
Features
  • Poppet Style Adjustable Relief Valve
  • Watts 3/4 inch 530C Releif Valve
  • Boiler relief valve
  • Brass construction
  • Threaded
10

Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi

MERRILLBrand PRVNL75100-AModel 2.47H*1.45L*1.05W inchesDimension
Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi cover
Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi thumb #1Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi thumb #2Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi thumb #3Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi thumb #4Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi thumb #5Merrill PRVNL75100-A Mfg Prvnl75100 No Lead Brass Pressure Relief Valve 100 Psi thumb #6
8.7We rank the products based on several factors, like features, price, customer reviews, and so on.
Rating: Very Good Price: $
FreeShipping
Check On Amazon Search On eBay
Visit Store » Merrill Manufacturing Company ( 4.72 / 5 )
Features
  • Pressure relief valves are for protection against excessive pressure
  • Lead free brass with stainless steel control springs
  • 3/4 inch Line Connection, 100 PSI
  • Not for use with water heaters - Cold water systems only
  • 3/4 inch male NPT x 1/2 inch female NPT

Best Relief Valves Of 2024 Rating

Top Reviewed Relief Valves

Popular Related

FAQ & Notes

Matthew Richardson Written By Matthew Richardson

During our research, we found more than 407 related products, with prices ranging from $12.99 to $58.92, and most customers would pay around $23 for this type of product.

What are the top brands of Relief Valves?

There are 6 brands available for Relief Valves, such as Watts, Cash Acme, Control Devices, Merrill, Camco, Bonuci.

What are the available sellers for Relief Valves?

There are 5 sellers available for Relief Valves, including Amazon.com ( 4.68 / 5 ), Merrill Manufacturing Company ( 4.72 / 5 ), Nibras Prime ( 4.67 / 5 ), Peasunni ( 4.88 / 5 ), SPS Enterprises of NY ( 4.77 / 5 ).

Price comparison of the top 10 Relief Valves

*Note: Prices based on historical data.

Price comparison of the top 10 Relief Valves highly recommended

*Note: Prices based on historical data.

The Verdict

After thorough consideration, we have selected the product WATTS WATTS - 118946 as your preferred option.

As an alternative, we have also compiled a list based on user reviews, and the product CAMCO 10473 is also worthy of your purchase.