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Relief Valves - Blowout Sale! Save up to 65%


Blowout Sale! Up to 65% off on Relief Valves at Mass Fiscal Exposed. Top brands include TeeJet, Wilkins, Apollo Valve, Watts Brass & Tubular, Zurn Wilkins, Flame King, Watts, Honeywell, UBS - A.R.I. Flow Control, Hayward Flow Control, conrader, Homebrewers Outpost, & Rheem. Hurry! Limited time offers. Offers valid only while supplies last.



TeeJet 23120-3/4-PP Pressure Relief Valve polypropylene
By TeeJet
In Stock
$24.23

mpn: 23120-3/4-PP, ean: 0736354719281,

4.6 out of 5 stars with 33 reviews
3/4'' Pressure Relief Valve Piston-Type Pressure Relief/Regulating Valves. Bypasses excess liquid. Adjustable to maintain control of line pressure at any pressure within the valve''s operating range. Selected pressure setting firmly held in place by locknut. Extra large valve passages to handle large flows. Model 23120 302 stainless steel spring and EPDM O-ring. Excellent chemical resistance. 1/4'' port for pressure gauge pipe plug included.TeeJet 3/4'' Pressure Relief Valve (23120-3/4-PP).


Zurn Wilkins Model 34-600XL 3/4" Water Pressure Reducing Brass Valve with Integral By-pass Check Valve and Strainer, FNPT Union x FNPT, Lead Free
By Wilkins
In Stock
$81.70
$72.79
You Save: 11%

mpn: 34-600XL, ean: 0612052029573,

4.6 out of 5 stars with 50 reviews
Reduces High Inlet Pressure To A Lower Outlet Pressure Spring Range 25 To 75 Psi Factory Set At 50 Psi Pressure Rated 300 Psi, Max. Temp. 180Made in: United States Dimensions: 2.6 X 5.7 X 5.5Brand: ZurnItem Weight: 2includes: Unit Instruction GuideZurn-Wilkins 34-600XL 3/4'' Bronze Pressure Reducing Valve, FNPT Union and FNPT Female Thread. All bronze body and bell housing provides durability and long life. Built-in bypass prevents buildup of excessive system pressure caused by thermal expansion


Apollo Valve 10-400 Series Bronze Safety Relief Valve, ASME Hot Water, 50 psi Set Pressure, 3/4" NPT Male x Female
By Apollo Valve
In Stock
$23.15

mpn: 1041710, ean: 0670750459795,

4.8 out of 5 stars with 52 reviews
This Apollo Valve 10-400 series safety relief valve has a bronze body, a 50 pounds per square inch (psi) relief pressure, a 3/4'' male National Pipe Thread (NPT) inlet connection, and a 3/4'' female NPT outlet. The valve's body and nozzle are bronze for resistance to corrosion, the seat is silicone for resistance to high temperatures, and the spring is stainless steel for resistance to corrosion. The valve can be used in operating temperatures up to 250 degrees F. This safety valve is American


WATTS BRASS & TUBULAR 374A 3/4 Boiler Relief Valve
By Watts Brass & Tubular
In Stock
$36.99
$28.00
You Save: 24%

mpn: 3/4 374A-030, ean: 0098268018042,

4.4 out of 5 stars with 14 reviews
Protects Hot Water Space Heating Boilers Compact Construction, Produces Exceptionally High Capacity Protects Boiler Installations Up To 550,000 Btu/Hr. At 30 Lb. Pressure Tested And Rated Same Section 4 Stainless Steel Spring, High Heat Resisting Silicone Disc, Forged Bronze Inlet Connections Preset At 30 Primed in: United States Dimensions: 1 X 1 X 1Brand: Watts Water Technologies Item Weight: 1.1includes: Unit Instruction GuideHvac/Hydronic Equipment & Parts. Made in: United States.


ZURN WILKINS 12-P1500XL 2471324 P1500 Calibrated Pressure Relief Valve, 25 To 175 Psi, 1/2" Mnpt x 1/2" Fnpt, Lead Free
By Zurn Wilkins
In Stock
$40.49
$36.80
You Save: 9%

mpn: 12-P1500XL, ean: 0087935920504,

4.9 out of 5 stars with 59 reviews
Wilkins P1500 calibrated pressure relief valve, 25 to 175 psi, 1/2 in. Mnpt x 1/2 in. Fnpt, lead free. Vacuum relief valve: Vr10. The product is manufactured in United States.Wilkins P1500 calibrated pressure relief valve, 25 to 175 psi, 1/2 in. Mnpt x 1/2 in. FNPT, Lead free. Vacuum relief valve: Vr10. The product is manufactured in United states.


Flame King YSN-293 29.3 Gallon ASME Tank
By Flame King
In Stock
$524.95

mpn: YSN-293, ean: 0636431687130,

4.2 out of 5 stars with 24 reviews
Flame King 29.3 gallon propane cylinder is manufactured to ASME specifications in facilities that have a quality management system certified to ISO 9002 requirements. The advantage for ASME cylinder vs. Dot is that they do not require recertification after 12 years from date of manufacture.ASME certified. Fill valve, relief valve and level gauge installed. High grade Steel welded Construction, powder coated for long lasting exterior protection. X-ray and hydrostatic tested.


Watts ASME Water Pressure Relief Valves Series 174A-125, 1" (0275404)
By Watts
In Stock
$147.79

mpn: 174A, ean: 0098268013528,

4.3 out of 5 stars with 8 reviews
Watts ASME Water Pressure Relief Valves Series 174A-125, 1'' (0275404)Series 174A Boiler Pressure Relief Valves are used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. Series 174A


Honeywell Vertical mount Line Volt Thernostat with locking cover - Color - T651A3018/U T651A-c5
By Honeywell
In Stock
$106.26

mpn: T651A3018/U-T651A-c5,

4.3 out of 5 stars with 58 reviews
Model Number T651 -- Vertical mount Line Volt Thernostat with locking cover - ColorHoneywell Vertical mount Line Volt Thernostat with locking cover - Color - T651A3018/U T651A-c5.


Honeywell Intermittent Pilot Retrofit Kit - Black and White - Y8610U6006/U Y8610U-9
By Honeywell
In Stock
$399.01

mpn: Y8610U6006/U-Y8610U-9,

4.0 out of 5 stars with 24 reviews
Model Number Y8610U -- Intermittent Pilot Retrofit Kit - Black and WhiteHoneywell Intermittent Pilot Retrofit Kit - Black and White - Y8610U6006/U Y8610U-9.


A.R.I. 3/4" RP 500-075 Lead Free Reduced Pressure Backflow Preventer
By UBS - A.R.I. Flow Control
In Stock
$174.49

mpn: RP-500-075, ean: 0865159000000,

4.1 out of 5 stars with 23 reviews
A.R.I. 3/4'' RP-500-075 Reduced Pressure Backflow Preventer is Lead Free, designed for installation on potable water lines to protect against both backsiphonage and backpressure conditions. The Composite UV Body with its Modular Design allows for easy service and low cost repair. Complies with all local and national Lead Free requirements. Approved Standards: USC FCCC-HR, ASSE 1013, AWWA C511, NSF 61-G, CSA B64.4, WaterMark (Australia)USC Approved. Non-Metal Composite Body Design. Low Cost


Watts 1" 009M2 Total Relief Valve Kit Assembly 0887785 887785 RK 009M2 VT
By Watts
SKU: #WAO887785
In Stock
$129.99

sku: WAO887785, mpn: 887785, ean: 0098268699425,

4.4 out of 5 stars with 42 reviews
WATTS 009M2 1'' RELIEF VALVE ASSEMBLYThis kit includes:1 Cover O-ring1 Relief Valve Diaphragm1 Relief Valve Spring1 Relief Valve Seat1 Relief Valve Seat O-ring.


Hayward RV1050T Series RV Pressure Relief Valve, PVC with FPM Seals, Threaded End, 1/2" Size
By Hayward Flow Control
In Stock
$487.19

mpn: RV1050T,

4.5 out of 5 stars with 58 reviews
This Hayward RV1050T pressure relief valve has a PVC body, an adjustable relief pressure, 1/2'' female NPT threaded connections, a FPM (fluorocarbon) seal, and a stainless steel spring. The valve's PVC body, PVC valve seat, and stainless steel spring resist corrosion and chemicals, are assembled with silicone free lubricant, and have an operating temperature range of from 40 to +140 degrees F. This relief valve can be adjusted to open between 5 and 75 pounds per square inch (psi) and is


Watts 174A Pressure Reflief Valve, 3/4"
By Watts
In Stock
$155.00
$53.95
You Save: 65%

mpn: 174A, ean: 0211112369118,

4.3 out of 5 stars with 33 reviews
3/4'', asme 30 LB pressure relief valve, for hot water heating & supply boilers, pressure protection only, standard pressure setting is 30 psi, maximum btu Input at 30 psi is 650,000 btu, bronze body construction, 3/4'' female iron pipe x 3/4'' female iron pipe connections, hv, nb & asme listed. The product is manufactured in china. Easy installation and easy handling.The product is manufactured in china. The product is highly durable and easy to use. Easy installation and easy handling.


Apollo Valve 13-211 Series Bronze Safety Relief Valve, ASME Steam, 5 psi Set Pressure, 3/4" NPT Male x Female
By Apollo Valve
In Stock
$54.51

mpn: 13211B05, ean: 0670750220630,

4.9 out of 5 stars with 33 reviews
This Apollo Valve 13-211 series steam relief valve is a safety valve for protecting small to medium low-pressure steam heating boilers. It has a cast bronze body, a 5 pounds per square inch (psi) relief pressure, a 3/4'' male National Pipe Thread (NPT) inlet connection and 3/4'' female NPT outlet, and a PTFE (polytetrafluoroethylene) seat. The valve's body and nozzle are bronze and the spring is steel for resistance to corrosion. The flat seat is a PTFE-faced disc for positive seal, resistance t


Safety Valve, Hard Seat, 1/2In, 150 PSI, SS
By conrader
In Stock
$69.99

mpn: SRH375-1/2-SS-150,

4.3 out of 5 stars with 11 reviews
'Air Safety Valve, Valve Type Hard Seat, (M)NPT Inlet (In.) 1/2, Preset Setting (PSI) 150, Rated CFM @ Set Pressure 300, Max. Temp. (F) 400, Body Material Stainless Steel, Seal Steel, Spring 17-7 SS, Standards ASME/CRN, Application Air'Price For: Each.


Safety Valve, Hard Seat, 1/4In, 350 PSI, SS
By conrader
In Stock
$63.69

mpn: SRH250-SS-350,

4.3 out of 5 stars with 34 reviews
' Air Safety Valve, Valve Type Hard Seat, (M)NPT Inlet (In.) 1/4, Preset Setting (PSI) 350, Rated CFM @ Set Pressure 287, Max. Temp. (F) 400, Body Material Stainless Steel, Seal Steel, Spring 17-7 SS, Standards ASME/CRN, Application Air 'Price For: Each (M)NPT Inlet (In.): 1/4 Application: Air Max. Temp. (F): 400 Body Material: Stainless Steel Item: Air Safety Valve Seal: Steel Spring: 17-7 SS Valve Type: Hard Seat Standards: ASME/CRN Ball: Steel Rated CFM @ Set Pressure: 287 Preset Setting


Ball Lock QD Adjustable Pressure Relief Valve W/Pressure Gauge
By Homebrewers Outpost
In Stock
$34.95

mpn: FIL42A, ean: 0843200103764,

4.9 out of 5 stars with 38 reviews
Relieves pressure while filtering from one keg to another while also letting you read the pressure in the receiving keg. Notes: you need to twist the end of the Valve to adjust the pressure. Gauge reads 0 - 15 psi.Pressure relief for fermenters & home brew kegs. Adjustable with gauge. Referred to as a spunding valve. Greasy ball lock quick disconnect included.


Apollo Valve 10-512 Series Brass Safety Relief Valve, ASME Steam, 40 psi Set Pressure, 1/2" NPT Male x Female
By Apollo Valve
In Stock
$60.42

mpn: 10512B40, ean: 0670750109034,

4.6 out of 5 stars with 26 reviews
This Apollo Valve 10-512 series steam relief valve protects against excess pressure from thermal expansion and steam caused by failure of BTU input controls. It has a brass body, a 40 pounds per square inch (psi) relief pressure, a 1/2'' male National Pipe Thread (NPT) inlet connection, 1/2'' female NPT outlet, and a pull ring for manual pressure relief. The valve's body, nozzle, and cap are brass for resistance to corrosion, and the seat is silicone for resistance to high temperatures. The


Rheem SP623335 Water Heater Vacuum Relief Valve
By Rheem
SKU: #20418
In Stock
$42.49

sku: 20418, mpn: SP623335, ean: 0020352595054,

4.1 out of 5 stars with 50 reviews
Rheem SP623335 Water Heater Vacuum Relief ValveVacuum Relief Valve.


Apollo Valve 13-211 Series Bronze Safety Relief Valve, ASME Steam, 15 psi Set Pressure, 3/4" NPT Male x Female
By Apollo Valve
In Stock
$43.39
$41.12
You Save: 5%

mpn: 13211B15, ean: 0094705853689,

4.1 out of 5 stars with 10 reviews
This Apollo Valve 13-211 series steam relief valve is a safety valve for protecting small to medium low-pressure steam heating boilers. It has a cast bronze body, a 15 pounds per square inch (psi) relief pressure, a 3/4'' male National Pipe Thread (NPT) inlet connection and 3/4'' female NPT outlet, and a PTFE (polytetrafluoroethylene) seat. The valve's body and nozzle are bronze and the spring is steel for resistance to corrosion. The flat seat is a PTFE-faced disc for positive seal, resistance



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