20 Best 30 Psi Boiler Relief Valve [2024]

Are you looking for the best 30 Psi Boiler Relief Valve? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 30 Psi Boiler Relief Valve.

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# Preview Product
1 Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4' 335 M2-030 Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030
2 Watts Regulator 0342692 Boiler Relief Valve 3/4' 30Psi, bronz Watts Regulator 0342692 Boiler Relief Valve 3/4" 30Psi, bronz
3 Watts Brass & Tubular 374A 3/4 Boiler Relief Valve Watts Brass & Tubular 374A 3/4 Boiler Relief Valve
4 Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4' NPT... Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4"...
5 SharkBite 20166-0030 Boiler Relief Valve 3/4 Inch MNPT, Push-to-Connect, PEX, Copper, CPVC SharkBite 20166-0030 Boiler Relief Valve 3/4 Inch MNPT, Push-to-Connect, PEX, Copper, CPVC
6 Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4' NPT... Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4"...
7 Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 50 psi Set Pressure, 3/4' NPT... Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 50 psi Set Pressure, 3/4"...
8 3/4' ASME Pressure Relief Valve (30 lb Setting) 3/4" ASME Pressure Relief Valve (30 lb Setting)
9 Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4 335 M2-030 Model: 342691 Tools & Home... Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4 335 M2-030 Model: 342691 Tools & Home...
10 Kingston 112CSS Series Brass ASME-Code Safety Valve, 30 psi Set Pressure, 1/4' NPT Male Kingston 112CSS Series Brass ASME-Code Safety Valve, 30 psi Set Pressure, 1/4" NPT Male
11 WATTS 1-1/4 inch 740 30 psi Iron pressure relief valve WATTS 1-1/4 inch 740 30 psi Iron pressure relief valve
12 30 Lb Boiler Relief Valve 3/4' 30 Lb Boiler Relief Valve 3/4"
13 Apollo Valves - 3/4' Apollo 10-407-05 Safety Relief Valve, MPT x FPT, 30 PSI, Bronze Body Apollo Valves - 3/4" Apollo 10-407-05 Safety Relief Valve, MPT x FPT, 30 PSI, Bronze Body
14 Apollo Valve 10-600 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4' NPT... Apollo Valve 10-600 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4"...
15 Cash Acme 16372-0150 Residential Temperature and Pressure Relief Valve NCLX-8, 3/4 Inch Cash Acme 16372-0150 Residential Temperature and Pressure Relief Valve NCLX-8, 3/4 Inch
16 Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in. FIP... Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in....
17 Hydro Smart 30 PSI Pressure Relief Valve, 3/4', NSF, CSA, ASME Hydro Smart 30 PSI Pressure Relief Valve, 3/4", NSF, CSA, ASME
18 P1000AXL-125C - Pressure Relief Valve P1000AXL-125C - Pressure Relief Valve
19 WATTS SB1156F Boiler Pressure Relief Valve WATTS SB1156F Boiler Pressure Relief Valve
20 Conbraco Industries 10-408-05 Relief Valve Conbraco Industries 10-408-05 Relief Valve
Bestseller No. 1
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
  • Inlet (in): 3/4
Bestseller No. 2
Watts Regulator 0342692 Boiler Relief Valve 3/4" 30Psi, bronz
  • Brand: Watts Regulator
  • Part Number: 0342692
  • Boiler Relief Valve 3/4" 30Psi
SaleBestseller No. 3
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...
  • This product adds a great value
  • This product is manufactured in United States
Bestseller No. 4
Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4" NPT...
  • Relief pressure preset of 30 psi for releasing excess pressure
  • 3/4" female NPT threaded inlet for connecting to a male NPT 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
SaleBestseller No. 5
SharkBite 20166-0030 Boiler Relief Valve 3/4 Inch MNPT, Push-to-Connect, PEX, Copper, CPVC
  • CONSTRUCTION: Brass body for durability
  • DIMENSIONS: 3/4-inch threaded male inlet x 3/4-inch threaded female outlet
  • PRESSURE: 30 PSI set pressure
  • USE: Designed for use on hot water service only - heating boilers, water supply heaters and storage tanks; not for use on steam
  • HIGH QUALITY: SharkBite's quality and performance is field-proven with more than 550 million connections; SharkBite is the only push-to-connect brand...
SaleBestseller No. 6
Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4" NPT...
  • Relief pressure preset of 30 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
SaleBestseller No. 7
Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 50 psi Set Pressure, 3/4" NPT...
  • 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
Bestseller No. 8
3/4" ASME Pressure Relief Valve (30 lb Setting)
  • 30 PSI
  • 510000 BTU/HR
  • Automatic Reseating PressureOnly Safety Relief Valve
  • F30 3/4"
  • 3/4" male inlet ansd female outlet
Bestseller No. 9
SaleBestseller No. 10
Kingston 112CSS Series Brass ASME-Code Safety Valve, 30 psi Set Pressure, 1/4" NPT Male
  • Brass Construction, ASTM B16
  • Every safety valve is set and tested at the factory
  • Heavy duty construction for lasting performance
  • Kingston quality design, engineering and precision manufacturing
  • 30 psi Set Pressure
Bestseller No. 12
30 Lb Boiler Relief Valve 3/4"
  • 3/4 in. (20mm)
  • On hydronic boilers up to 550,000 BTU
  • Standard pressure relief setting is 30 PSI
  • Iron body with bronze inlets
  • Series 374A resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat
Bestseller No. 13
Apollo Valves - 3/4" Apollo 10-407-05 Safety Relief Valve, MPT x FPT, 30 PSI, Bronze Body
  • Apollo Valves - 3/4" Apollo 10-407-05 Safety Relief Valve, MPT x FPT, 30 PSI, Bronze Body
SaleBestseller No. 14
Apollo Valve 10-600 Series Bronze Safety Relief Valve, ASME Hot Water, 30 psi Set Pressure, 3/4" NPT...
  • Relief pressure preset of 30 psi for releasing excess pressure
  • 3/4" female NPT threaded inlet for connecting to a male NPT threaded connection
  • Bronze body and spring cage for corrosion resistance
  • 250 degrees F maximum temperature for use in high-temperature applications
  • ASME safety rated for Section IV heating boilers
SaleBestseller No. 15
Cash Acme 16372-0150 Residential Temperature and Pressure Relief Valve NCLX-8, 3/4 Inch
  • DESIGN: The NCLX Series relief valves feature a cast bronze body, brass, and stainless steel internal parts, silicone seat disc, and stainless steel...
  • 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
SaleBestseller No. 16
Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in. FIP...
  • 1 TANKLESS HEATER SOLUTION: Ideal for Releasing Pressure in your Tankless or Closed-Loop Hot Water Systems
  • Fully Automatic Valve Reseats Itself after Relieving Pressure
  • SUPERIOR QUALITY: Heavy Duty Forged Brass Construction; Lead Free; Dezincification Resistant; Corrosion Resistant
  • UNIVERSAL FIT: Secure, Leak-Free 3/4 in. FIP x MIP Connections
  • Easy Installation and Compact Design
Bestseller No. 17
Hydro Smart 30 PSI Pressure Relief Valve, 3/4", NSF, CSA, ASME
  • 30 PSI Relief Valve
  • 419,000 BTU/HR
  • Automatic Reseating Pressure Only Safety Relief Valve
  • 3/4" Male Inlet and Female Outlet
Bestseller No. 18
P1000AXL-125C - Pressure Relief Valve
  • Pressure Relief Valve set at 125 psi
Bestseller No. 19
WATTS SB1156F Boiler Pressure Relief Valve
  • Designed To Work Effectively
  • Convenient And Easy To Use
  • Durable And Long Lasting
  • Brand Name: Watts
SaleBestseller No. 20
Conbraco Industries 10-408-05 Relief Valve
  • Manufacturer Model # 10-408-05
  • Genuine Replacement Part
  • Conbraco Industries Item
  • Brand Name: Air Gas North Central

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After hours of searching and using all the models on the market, we have found the best 30 Psi Boiler Relief Valve for 2023. See our ranking below!

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  1. Brand Value: Every brand of 30 Psi Boiler Relief Valve has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 30 Psi Boiler Relief Valve?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 30 Psi Boiler Relief Valve.
  5. Customer Ratings: Number ratings grade 30 Psi Boiler Relief Valve objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 30 Psi Boiler Relief Valve.
  7. Product Quality: You don’t always get what you pay for with an 30 Psi Boiler Relief Valve, sometimes less, and sometimes more.
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FAQ:

Q: Why is the relief valve leaking?

A: The pressure relief valve is leaking water every time the system heats. It is because when the system heats, the pressure goes above 30 psi. When the system isn’t heating, the pressure maintains a bit under 30 psi. The temp on the system seems to be correct.

Q: Is your boiler relief valve leaking?

A: A leaky boiler relief valve is always a sign of trouble . In most instances, a leaking relief valve means there’s a problem with the valve itself, or with your boiler or plumbing system. However, if the boiler water temperature is too high, the valve may release water and/or steam that resembles a leak.

Q: What is a boiler pressure relief valve?

A: The boiler pressure relief valve is a safety valve designed to relieve an excessive build up of pressure inside the boiler. The is a pressure vessel designed to handle a safe amount of pressure.

Q: Do you need a water pressure reducing valve?

A: Yes. They are required by the Federal Housing Administration, the regional plumbing codes such as IPC and UPC, and numerous city and state codes. The requirement is that whenever the city main water pressure exceeds 80 lbs., a water pressure reducing valve must be installed.