Relief Valves of 2025
Best Choice1
Clicked 1 times in the last monthWattsWatts 0372271 530C 3/4" Poppet Style Adjustable Relief Valve
Main highlights- Watts 3/4" 530C Releif Valve
- Threaded
- Poppet Style Adjustable Relief Valve
- Brass construction
- Boiler relief valve
9.7Exceptional
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Value for Money2
WattsWatts 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
Main highlights- 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.
- 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.
- 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.
9.5Excellent
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3
CamcoCamco Automatic Temperature and Pressure Relief Valve with Extension Probe and Lever | Features an All Brass Body with a Stainless Steel Pressure Spring | (10473)
9.9 Easy installation9.7 worth the money9.3 materials QualityWhy we love it
Easy installation with pre-applied Teflon tape.
Epoxy-coated probe prevents corrosion buildup.
CSA certified for safety and reliability.
9.3Excellent
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4
WattsWatts Regulator 0342692 Boiler Relief Valve 3/4" 30Psi
Main highlights- Part Number: 0342692
- Brand: Watts Regulator
- Boiler Relief Valve 3/4" 30Psi
9.2Excellent
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5
VAVVAV Pressure Relief Valve, 3/4 Inch Thread, 150 PSI, 210F Max, Relief Valve Made of Lead-free Copper, CSA LISTED
Main highlights- Wide application: Thread is 3/4NPT, safe and leak-free.
- Maximum heat input value: 205 000 BTU/HR.
- Material: lead-free copper design, stainless steel spring, durable, corrosion-resistant use for a longer period of time.
- Customer Service: If you have any questions, please contact us by email.
- Convenient and easy to install.
9.1Excellent
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6
WattsWatts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030
Main highlights- Pressure (psi): 30
- Pressure (psi): 30
- Outlet (in): 3/4
- Outlet (in): 3/4
- Inlet (in): 3/4
- Inlet (in): 3/4
- Female pressure relief valve
- BTU: 510,000
- BTU: 510,000
8.9Very Good
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7
Zurn59% OffZurn 12-P1500XL - 1/2" Pressure Relief Valve
Main highlights- Perfect For Thermal Expansion Relief
- Color: Gold
- Calibrated Adjustments From 25 To 175 Psi
- 1/2" Pressure Relief Valve
8.8Very Good
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8
Control DevicesControl Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4" Male NPT
Main highlights- Silicon O-ring provides leak-proof seal to within 10 percent of set pressure
- Relief pressure adjustable from 0 to 100 psi
- Micrometer-style nylon knob for pressure relief adjustment
- Brass construction and stainless steel spring for corrosion resistance
- 1/4" male NPT threaded inlet connection
8.7Very Good
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9
GenericTemperature and Pressure Relief Valve Automatic with Extension Probe and Lever,3/4"NPT Pressure Relief Valve,All Brass Body,CSA LISTED
Main highlights- 【Specifications】BH Valve with standard factory Settings, 150 PSI for pressure relief, 210 degrees Fahrenheit for temperature relief
- 【Safe and durable】This 3/4 "Temperature and pressure relief valve body is made of lead-free brass to provide sufficient strength and durability.
- 【Provides Protection】Helps protect your RV or home water heater from excess temperature and water pressure.
- 【Easy to use】The innovative design of this valve reduces the number of parts for quick and easy repair or maintenance
- 【Application scenario】This Temperature and pressure relief valve is used in a wide variety of environments, including residential buildings, commercial and industrial facilities, public buildings and industrial processes.
8.4Good
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10
APOLLOApollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4" NPT Male x Female - 1040705
Main highlights- Relief pressure preset of 30 psi for releasing excess pressure
- ASTM B584 bronze body and nozzle and stainless steel spring for corrosion resistance
- ASME safety rated for Section IV water heating systems
- 3/4" male NPT threaded inlet for connecting to a female NPT threaded connection
- 250 degrees F maximum temperature for use in high-temperature applications
8.3Good
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