Frontpage > Product > Prince Rd-1850-H Relief Valve, Cast Iron, 2500 Psi, 16 Gpm, 1/2" Nptf

Prince RD-1850-H Relief Valve, Cast Iron, 2500 psi, 16 gpm, 1/2" NPTF

Asin: B0000AX3IU   |   Model: RD-1850-H   |   PartNumber: RD-1850-H   |   Ean: 7430988667064


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Hardened Steel Valve Seat For Durability.
180 Degrees F Maximum Temperature For Use In High Temperature Applications.
Fast Opening Valve For Pressure Spike Protection.
1/2" Female Npt Threaded Inlet Connection.

Features

  • Relief pressure adjustable from 1,000 to 2,500 psi with a flow rate of 16 gpm
  • 1/2 female NPT threaded inlet connection
  • Hardened steel valve seat for durability
  • Fast opening valve for pressure spike protection
  • 180 degrees F maximum temperature for use in high temperature applications
  • See more on Amazon...

Brand: Prince Manufacturing   |   Manufacturer: Prince Manufacturing

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Similar To Prince RD1850H Relief Valve Cast

  #1

Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030

Asin: B00JG3GCYA   |   Model: WATTS - 118946   |   PartNumber: WATTS - 118946   |   Ean: 0098268784190   |   UPC: 098268784190

Outlet (In): 3/4.
Inlet (In): 3/4.
Outlet (In): 3/4.
Pressure (Psi): 30.
Btu: 510,000.
Btu: 510,000.
Pressure (Psi): 30.
Inlet (In): 3/4.

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
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Brand: Watts   |   Manufacturer: Watts

Dimensions: 1.80 x 3.00 x 2.30 Inches   |   Weight: 0.00 Pounds

Amazon Price: $22.41 | as of 04/27/2024 (11:13am pst) *DETAILS
Used Price: $28.75

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  #2

Rheem SP12574 Temperature and Pressure Relief Valve,Small

Asin: B009AX2TTS   |   Model: SP12574   |   PartNumber: SP12574   |   Ean: 0020352495101   |   UPC: 020352495101

Outlet Thread Size - Npt (In.): 3/4, Overall Length (In.): 7-1/4, Body Length (In.): 3-1/4, Sensor Length (In.): 4.
Kits Which Contain This Part: 45W613.
Maximum Temperature Setting (Deg. F): 210, Maximum Pressure Setting (Psi): 150, Csa Capacity (Btu/Hr): 105,000, Inlet Thread Size - Npt (In.): 3/4.

Features

  • Size: Small.For best results, use only Rheem replacement parts for repairing your Rheem Water Heater
  • 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
  • Kits which contain this part: 45W613
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Brand: Rheem   |   Manufacturer: Rheem

Dimensions: 0.20 x 1.00 x 1.20 Inches   |   Weight: 2.00 Pounds

Amazon Price: $14.73 | as of 04/27/2024 (11:13am pst) *DETAILS
Used Price: $11.09

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  #3

Merrill MFG PRVNL75 No Lead Brass Pressure Relief Valve 75 PSI, 3/4"

Asin: B08D3YMKWB   |   Model: PRVNL75   |   PartNumber: PRVNL75   |   Ean: 0642367450236   |   UPC: 642367450236

Lead Free Brass With Stainless Steel Control Springs.
Not For Use With Water Heaters -Cold Water Systems Only.
3/4" Line Connection, 75 Psi.
3/4 In. Male Npt X 1/2 In. Female Fpt.

Features

  • Pressure relief valves are for protection against excessive pressure
  • 3/4 in. male NPT x 1/2 in. female FPT
  • Lead free brass with stainless steel control springs
  • 3/4 Line Connection, 75 PSI
  • Not for use with water heaters -Cold water systems only
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Brand: Merrill   |   Manufacturer: Merrill Manufacturing Company

Dimensions: 1.05 x 2.47 x 1.45 Inches

Amazon Price: $16.57 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #4

Control Devices - CR25-100 -CR25 CR Series Brass Pressure Relief Valve, 0-100 psi Adjustable Pressure Range, 1/4" Male NPT

Asin: B007GDY3CU   |   Model: CR25-100   |   PartNumber: CR25-100   |   Ean: 0372657518635   |   UPC: 372657518635

Brass Construction And Stainless Steel Spring For Corrosion Resistance.
Micrometer-Style Nylon Knob For Pressure Relief Adjustment.
Silicon O-Ring Provides Leak-Proof Seal To Within 10 Percent Of Set Pressure.
1/4" Male Npt Threaded Inlet Connection.

Features

  • 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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Brand: Control Devices   |   Manufacturer: Control Devices

Amazon Price: $14.98 | as of 04/27/2024 (11:13am pst) *DETAILS
List Price: $18.69

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  #5

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

Asin: B0006IX8AU   |   Model: 10423   |   PartNumber: 10423   |   Ean: 0014717104234   |   UPC: 014717104234

Factory Preset To 150 Psi And 210°F.
Csa Certified.
1/2" - 14 Npt Male Inlet; 1/2" - 14 Npt Female Outlet With 4" Probe.
Resistant To Corrosion.

Features

  • Protects water heaters from excessive water temperatures and pressure
  • Resistant to corrosion
  • Factory preset to 150 PSI and 210 F
  • 1/2 - 14 NPT male inlet; 1/2 - 14 NPT female outlet with 4 probe
  • CSA certified
  • See more on Amazon...

Brand: Camco   |   Manufacturer: Camco

Dimensions: 1.60 x 11.38 x 3.63 Inches   |   Weight: 0.55 Pounds

Warranty: Warranty

Amazon Price: $25.24 ($25.24 / Count) | as of 04/27/2024 (11:13am pst) *DETAILS
List Price: $32.99 ($32.99 / Count) | Used Price: $17.31 ($17.31 / Count)

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  #6

Merrill MFG PRVNL50 1/2" No-Lead Pressure Relief Valve, Brass

Asin: B08GD12QV5   |   Model: PRVNL50-A   |   PartNumber: PRVNL50-A   |   Ean: 0642367450519   |   UPC: 642367450519

Lead Free Brass With Stainless Steel Control Springs.
Not For Use With Water Heaters - Cold Water Systems Only.
1/2" Line Connection, 75 Psi.
1/2 In. Male Npt X 1/2 In. Female Fpt.

Features

  • Pressure relief valves are for protection against excessive pressure
  • 1/2 in. male NPT x 1/2 in. female FPT
  • Lead free brass with stainless steel control springs
  • 1/2 Line Connection, 75 PSI
  • Not for use with water heaters - Cold water systems only
  • See more on Amazon...

Brand: Merrill   |   Manufacturer: Merrill Manufacturing Company

Amazon Price: $13.23 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #7

Merrill MFG PRVNL75100 No Lead Brass Pressure Relief Valve 100 PSI, 3/4"

Asin: B0BJ7MGZRW   |   Model: PRVNL75100-A   |   PartNumber: PRVNL75100-A   |   Ean: 0642367453091   |   UPC: 642367453091

3/4" Line Connection, 100 Psi.
3/4 In. Male Npt X 1/2 In. Female Npt.
Not For Use With Water Heaters -Cold Water Systems Only.
Lead Free Brass With Stainless Steel Control Springs.

Features

  • Pressure relief valves are for protection against excessive pressure
  • Lead free brass with stainless steel control springs
  • 3/4 Line Connection, 100 PSI
  • Not for use with water heaters -Cold water systems only
  • 3/4 in. male NPT x 1/2 in. female NPT
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Brand: Merrill   |   Manufacturer: Merrill Manufacturing Company

Dimensions: 1.05 x 2.47 x 1.45 Inches

Amazon Price: $15.00 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #8

Cash Acme 3/4 Inch F-30 Safety Relief Pressure Release Valve, Brass Plumbing Fitting, 20166-0030

Asin: B000RL64O8   |   Model: 20166-0030   |   PartNumber: 20166-0030   |   Ean: 0697285201668, 0697285166509   |   UPC: 697285201668, 697285166509

Compatible In Tight Spaces: The Relief Pressure Valve Is Ideal For Use In Tight Spaces And Can Be Installed In Wet Lines.
Certified: This 3/4 Inch F-30 Temperature And Pressure Relief Valve Is Certified To Be Lead-Free In Accordance With Nsf 337; Compliant With Asse Standard 1003 And Csa Standard B356.
Durable: This Pressure Relief Valve Is Made With A Lead-Free Bronze Body That Provides Strength And Durability.
Easy To Use: This Push-To-Connect Water Pressure Relief Valve Features An Innovative Design That Reduces The Number Of Parts Allowing For Quick And Easy Repair Or Service; Includes A Lever That Is Set At 30 Psi.

Features

  • CASH ACME SAFETY RELIEF VALVE: The Cash Acme F-30 Safety Relief Valve is designed for use on hot water space heating boilers, water supply heaters, and storage tanks
  • EASY TO USE: This push-to-connect water pressure relief valve features an innovative design that reduces the number of parts allowing for quick and easy repair or service; includes a lever that is set at 30 PSI
  • COMPATIBLE IN TIGHT SPACES: The relief pressure valve is ideal for use in tight spaces and can be installed in wet lines
  • DURABLE: This pressure relief valve is made with a lead-free bronze body that provides strength and durability
  • CERTIFIED: This 3/4 inch F-30 Temperature and Pressure Relief Valve is certified to be lead-free in accordance with NSF 337; compliant with ASSE standard 1003 and CSA standard B356
  • See more on Amazon...

Brand: Cash Acme   |   Manufacturer: Cash Acme

Dimensions: 2.00 x 3.00 x 2.00 Inches   |   Weight: 0.50 Pounds

Warranty: Warranty

Amazon Price: $17.56 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #9

Camco 10427 3/4" Temperature and Pressure Relief Valve with 3-5/16" Long Shank

Asin: B019WTAEC8   |   Model: 10427   |   PartNumber: 10427   |   Ean: 0014717104272   |   UPC: 014717104272

3/4" Inlet/Outlet.
All Copper Alloy Body.
3-5/16-Inch Long Shank.
Relieves Pressure Up To 150Psi And/Or 210˚F.

Features

  • Safely relieves temperature and pressure
  • Relieves pressure up to 150psi and/or 210 F
  • 3/4 inlet/outlet
  • 3-5/16-inch long shank
  • All copper alloy body
  • See more on Amazon...

First Available: 03/01/2016

Brand: Camco   |   Manufacturer: Camco

Dimensions: 2.00 x 12.00 x 4.00 Inches   |   Weight: 0.50 Pounds

Amazon Price: $26.58 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #10

Camco 10493 3/4" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe - Extended Shank

Asin: B0006IX8B4   |   Model: Camco - 10493   |   PartNumber: Camco - 10493   |   Ean: 0014717104937   |   UPC: 014717104937

2-1/2" Probe Length.
Stainless Steel Spring.
All Brass Body.
Pressure Setting Of 150 Psi.

Features

  • 3/4" inlet-outlet
  • Pressure setting of 150 psi
  • 2-1/2 probe length
  • All brass body
  • Stainless steel spring
  • See more on Amazon...

Brand: Camco   |   Manufacturer: Camco

Dimensions: 11.38 x 0.67 x 3.63 Inches   |   Weight: 0.67 Pounds

Amazon Price: $21.18 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #11

VAV Temperature Pressure Relief Valve with 3/4-Inch Pipe Thread, 150Psi, Designed to Protect Water Heater and Storage, CSA LISTED, CSA 4.4-2015 Certification

Asin: B0BKSJDQS9   |   Model: RXZER890   |   PartNumber: RXZER890

Temperature Detection: 3/4" Temperature And Pressure Valve With 4" Probe Will Help Protect Your Rv Water Heater From Excessive Temperature And Water Pressure..
Certification: Heape Hptp04 Series Relief Valves Are Certified To Ansi Z21 22-2015+Csa 4.4-2015.
Maximum Pressure:Maximum Sytem Operating Pessre Must Not Not Eceed 75% Of Valve Set Pressure..
Material: Stainless Steel Spring, Durable And Corrosion Resistant, The Body Adopts American Standard Low Grade..

Features

  • High-quality: This Slocable Pressure Relief Valve is marked with water inlet direction, can withstand pressure of 1 50 psi.
  • Material: stainless steel spring, durable and corrosion resistant, the body adopts American standard low grade.
  • Temperature detection: 3/4 Temperature and Pressure Valve with 4 Probe will help protect your RV water heater from excessive temperature and water pressure.
  • Maximum pressure:Maximum sytem operating pessre must not not eceed 75% of valve set pressure.
  • Certification: HEAPE HPTP04 Series Relief Valves are certified to ANSI Z21 22-2015+CSA 4.4-2015
  • See more on Amazon...

Brand: VAV   |   Manufacturer: VAV

Dimensions: 5.00 x 5.00 x 7.00 Inches

Amazon Price: $27.99 | as of 04/27/2024 (11:13am pst) *DETAILS
List Price: $32.99

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  #12

Control Devices PR25-000 Proportional Pressure Relief Valve 1/4"

Asin: B01M12WYHQ   |   Model: PR25-000   |   PartNumber: PR25-000   |   Ean: 7436829549797

Country Of Origin : United States.
Part Number: Pr25-000.
Package Weight : 0.25 Pounds.

Features

  • Package Dimensions: 4 L x 1 H x 3 W (inches)
  • Package Weight : 0.25 pounds
  • Country of Origin : United States
  • Part number: PR25-000
  • See more on Amazon...

Brand: Control Devices   |   Manufacturer: Control Devicss LLC

Dimensions: 0.70 x 1.50 x 0.80 Inches   |   Weight: 0.04 pounds

Amazon Price: $13.27 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #13

Merrill MFG PRVNL757100 3/4" No-Lead Pressure Relief Valve, 100 PSI

Asin: B0BW4Z38VV   |   Model: PRVNL757100-A   |   PartNumber: PRVNL757100-A   |   Ean: 0642367453541   |   UPC: 642367453541

Lead Free Brass With Stainless Steel Control Springs.
Not For Use With Water Heaters -Cold Water Systems Only.
3/4" Line Connection, 100 Psi.
3/4 In. Male Npt X 3/4 In. Female Fpt.

Features

  • Pressure relief valves are for protection against excessive pressure
  • 3/4 in. male NPT x 3/4 in. female FPT
  • Lead free brass with stainless steel control springs
  • 3/4 Line Connection, 100 PSI
  • Not for use with water heaters -Cold water systems only
  • See more on Amazon...

Brand: Merrill   |   Manufacturer: Merrill Manufacturing Company

Dimensions: 1.05 x 2.47 x 1.45 inches

Amazon Price: $16.00 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #14

Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in. FIP x MIP

Asin: B088R18C8R   |   Model: GUHW-QSW256   |   PartNumber: GUHW-QSW256   |   Ean: 0804595358177   |   UPC: 804595358177

Superior Quality: Heavy Duty Forged Brass Construction; Lead Free; Dezincification Resistant; Corrosion Resistant.
Easy Installation And Compact Design.
Universal Fit: Secure, Leak-Free 3/4 In. Fip X Mip Connections.
Fully Automatic Valve Reseats Itself After Relieving Pressure.

Features

  • 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
  • See more on Amazon...

Brand: Midline Valve   |   Manufacturer: Midline Valve

Dimensions: 1.00 x 2.00 x 1.00 Inches

Amazon Price: $19.95 | as of 04/27/2024 (11:13am pst) *DETAILS
List Price: $23.29

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  #15

Prince Pressure Compensated Flow Control Valve - 0-8 GPM, 3000 PSI With SAE 8 Ports

Asin: B00MQ6WV80

Psi: 1000-3000.
Port Size: Sae 8.

Features

Brand: Prince   |   Manufacturer: Prince

Weight: 9.00 pounds

Amazon Price: $105.73 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #16

Prince RD-175-30 Flow Control Valve, Adjustable Pressure Relief, Cast Iron, 3000 psi, 0-30 gpm, 3/4" NPTF

Asin: B0000AX3I5   |   Model: RD-175-30   |   PartNumber: RD-175-30   |   Ean: 7803175976056

Rated Flow 0-30 Gpm.

Features

Brand: Prince Manufacturing   |   Manufacturer: Prince Manufacturing

Weight: 7.60 Pounds

Warranty: 3 year limited warranty

Amazon Price: $147.75 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #17

Prince RD-150-16 Flow Control Valve, Adjustable Pressure Relief, Cast Iron, 3000 psi, 0-16 gpm, 1/2" NPTF

Asin: B0027S3NAC   |   Model: RD-150-16   |   PartNumber: RD-150-16   |   Ean: 7739178202635

Features

  • Price For: Each Length (In.): 4.6 Height (In.): 4.1 Item: Flow Control Valve Max. Pressure (PSI): 3000 Type: Adjustable Width (In.): 2.9 Flow Range (GPM): 0 to 16 Port (In.): 1/2 Adjustable Relief Valve: No Country of Origin (subject to change): United States
  • See more on Amazon...

Brand: Prince Manufacturing   |   Manufacturer: Prince Manufacturing

Weight: 7.90 Pounds

Amazon Price: $144.00 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #18

Prince Directional Control Valve Accessory (RD5000 Series): Complete Handle Kit, 205230

Asin: B00MQ6Y6H4   |   Ean: 0615986040676   |   UPC: 615986040676

Features

Brand: Prince   |   Manufacturer: Prince

Weight: 1.82 pounds

Amazon Price: $55.50 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #19

Prince RD513GG5A4B1 Directional Control Valve, Monoblock, Cast Iron, 1 Spool, 4 Ways, 4 Positions, Tandem, Spring Center, Detent In for Float Position, Lever Handle, 3000 psi, 30 gpm, In/Out: 3/4" NPT Female, Work 3/4" NPT Female

Asin: B005P1DSP8   |   Model: RD513GG5A4B1   |   PartNumber: RD513GG5A4B1

Relief: Differential Poppet Adjustable 1500-3000 Psi Set At 2000 Psi.

Features

  • Spool: 4 Ways, 4 Positions, Tandem, Spring Center, Detent In for Float Position
  • Relief: Differential Poppet Adjustable 1500-3000 PSI Set at 2000 PSI
  • See more on Amazon...

Brand: Prince Manufacturing   |   Manufacturer: Prince Manufacturing

Amazon Price: $330.80 | as of 04/27/2024 (11:13am pst) *DETAILS

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  #20

Prince MB21BB5C1 Directional Control Valve, Monoblock, Cast Iron, 2 Spool, 4 Ways, 3 Positions, Double Acting Cylinder Spool, Spring Center, Straight Handle, 3500 psi, 8 gpm, In/Out: #8 SAE, Work #8 SAE

Asin: B005P1CZPM   |   Model: MB21BB5C1   |   PartNumber: MB21BB5C1

Features

Brand: Prince Manufacturing   |   Manufacturer: Prince Manufacturing

Weight: 10.00 Pounds

Amazon Price: $179.16 | as of 04/27/2024 (11:13am pst) *DETAILS
List Price: $243.28

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