Best Relief Valves In August 2025

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Below is the top 10 Best Relief Valves review to guide you buy the best product. Choose one of these products and your satisfaction is guaranteed!

To help you in your search, we have completed this list of the Best Relief Valves.

Top Rated Best Relief Valves Of 2025

Rank	Product Name	Score
1	Control Devices CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range Buy Now	9.7 Buy Now
2	Rheem SP12574 Temperature and Pressure Relief Valve Buy Now	9.5 Buy Now
3	Pentair 98209800 High Flow Manual Relief Valve Replacement Pool and Spa Filter Buy Now	9.1 Buy Now
4	Control Devices ST Series Brass ASME Safety Valve, 150 psi Set Pressure, 1/4" Buy Now	8.8 Buy Now
5	Cash Acme 18821 0150 Temperature and Pressure Relief Valve, NCLX-5L, 3/4 Inch Buy Now	8.6 Buy Now
6	Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030 Buy Now	8.3 Buy Now
7	Camco 10423 1/2" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe Buy Now	8.1 Buy Now
8	Watts Regulator 0342692 Boiler Relief Valve 3/4" 30Psi, bronz Buy Now	7.8 Buy Now
9	Camco 10471/10473 3/4" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe Buy Now	7.5 Buy Now
10	LASCO 05-1713 150 PSI Pressure Relief Valve with 3/4-Inch Pipe Thread Buy Now	7.2 Buy Now

1. Control Devices CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range

• Relief pressure adjustable from 0 to 100 psi
• Silicon o-ring provides leak-proof seal to within 10 percent of set pressure
• Brass construction and stainless steel spring for corrosion resistance
• 1/4" male npt threaded inlet connection
• Micrometer-style nylon knob for pressure relief adjustment

2. Rheem SP12574 Temperature and Pressure Relief Valve

• Maximum temperature setting (deg. f): 210, maximum pressure setting (psi): 150, csa capacity (btu/hr): 105,000, inlet thread size - npt (in.): 3/4
• Outlet thread size - npt (in.): 3/4, overall length (in.): 7-1/4, body length (in.): 3-1/4, sensor length (in.): 4
• For best results, use only rheem replacement parts for repairing your rheem water heater
• Kits which contain this part: 45w613

3. Pentair 98209800 High Flow Manual Relief Valve Replacement Pool and Spa Filter

• Also fits pentair warrior, easyclean aboveground, easyclean, fns plus, sm & smbw 4000 series pool and spa d. e. filters
• Fits pentair clean & clear aboveground, clean & clear plus, clean & clear/predator pool and spa cartridge filters
• Measures 6-inch length by 2-3/4-inch height by 8-1/2-inch width
• High flow manual relief valve replacement

4. Control Devices ST Series Brass ASME Safety Valve, 150 psi Set Pressure, 1/4"

• Relief pressure preset to 150 psi with flow rate of 136 cfm
• 250 degrees f maximum temperature for use in high temperature applications
• 1/4" male npt threaded inlet connection
• Asme safety rated with uv and nb marks
• Brass construction and stainless steel spring for corrosion resistance

5. Cash Acme 18821 0150 Temperature and Pressure Relief Valve, NCLX-5L, 3/4 Inch

• Certified: to asse standard 1003 and csa standard b356, certified lead free complying with nsf 372
• Bronze body: lead-free and superior reliability
• 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
• Assembled and tested: prepared in cash acme manufacturing plant in cullman, alabama
• Compact: pressure reducing and regulating valves

6. 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
• Outlet (in): 3/4
• Btu: 510,000

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

• Resistant to corrosion
• Csa certified
• Factory preset to 150 psi and 210 degrees fahrenheit
• Protects water heaters from excessive water temperatures and pressure
• 1/2" - 14 npt male inlet, 1/2" - 14 npt female outlet with 4" probe

8. Watts Regulator 0342692 Boiler Relief Valve 3/4" 30Psi, bronz

• Boiler relief valve 3/4" 30psi
• Brand: watts regulator
• Part number: 0342692

9. Camco 10471/10473 3/4" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe

• 4" probe
• Factory set at 150 psi and 210f
• Listed to ansi z21.22
• 3/4" npt connection
• Brass body with stainless spring

10. LASCO 05-1713 150 PSI Pressure Relief Valve with 3/4-Inch Pipe Thread

• Pressure only relieve valve
• 150 psi pressure rating
• 3/4-inch male thread
• Designed for protection against excessive pressure only
• Bronze body