The Best Relief Valves

Looking for the best Relief Valves?

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

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

Brand: Watts Regulator
Part Number: 0342692
Boiler Relief Valve 3/4" 30Psi

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
Pressure (psi): 30
BTU: 510,000
Inlet (in): 3/4
Outlet (in): 3/4
Pressure (psi): 30

No. 3

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

SaleNo. 4

Watts 0372271 530C 3/4" Poppet Style Adjustable Relief Valve

Poppet Style Adjustable Relief Valve
Watts 3/4" 530C Releif Valve
Boiler relief valve
Brass construction
Threaded

No. 5

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

No. 6

Bonuci 4 Pcs 1/4" Male NPT Safety Valve Air Compressor Pressure Relief Brass Safety Check Valve (150 psi Set Pressure)

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

No. 7

Cash Acme 3/4 Inch NCLX-5L Temperature and Pressure Relief Valve, Push to Connect Brass Plumbing Fittings, Copper, CPVC Pipe, 150 PSI, 18821-0150

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 B358

SaleNo. 8

Watts 374A-030-FS Iron Boiler Pressure Relief Valve, 3/4 Inch, 30 psi Pressure Relief Point, Forged Brass Inlet, Female NPTF Threaded End Connections, Discharge Line Flood Sensor Included

PRESSURE RELIEF VALVE: The Watts 374A Series iron pressure relief valve can be used for hot water space heating boiler applications to protect against excessive pressure.
MONITORING MADE EASY: Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve. Requires purchase of activation kit to activate sensor.
COMPREHENSIVE FEATURES: This pressure relief valve has a 3/4 inch NPTF female inlet, 3/4 inch NPTF female outlet and a 30 psi pressure relief setpoint. It features an iron body with forged bronze inlet, non-metallic disc-to-metal seating and test lever.
HIGH QUALITY PARTS: This part comes with an iron body with forged bronze inlet, ensuring exceptional durability. Ideal for demanding environments, this valve meets stringent industry standards for quality and performance.
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.

SaleNo. 9

Watts LF25AUB-Z3 Water Pressure Reducing Valve NPT Female Union x NPT Female, Polymer Seat, 3/4 Inch

Reduces incoming water pressure to protect plumbing systems and reduce water consumption in commercial industrial and residential applications
Water supply pressures range is 25 to 75 psi (172 to 517 kPa) with the standard setting at 50 psi (345 kPa)
Lead free copper silicon alloy with stainless steel strainer and corrosion resistant adjusting and cage screws, high-temperature diaphragm, replaceable seat module
End connection options such as PEX, CPVC, and Quick-Connect
The standard bypass feature permits the flow of water back through the valve into the main when pressures, due to thermal expansion on the outlet side of the valve, exceed the pressure in the main supply

No. 10

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

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Last update on 2025-04-18 / Affiliate links / Images from Amazon Product Advertising API

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