Pressure Relief Valves

Filter

Search Within Category

: Show In Stock Items Only
: Apollo™ (397)
Kunkle (581)
WATTS® (60)
: Apollo 10-600 Safety Relief Valves (310)
Apollo 12-200 Safety Relief Valves (12)
Apollo 13 Series Steam Boiler Valves (25)
Apollo 14-200 Safety Relief Valves (17)
Apollo 16 Series Pressure Relief Valves (11)
Apollo Model TPC Relief Valves (19)
Kunkle Model 20 Safety Relief Valves (87)
Kunkle Model 215V Vacuum Relief Valves (15)
Kunkle Model 337 Safety Relief Valves (26)
Kunkle Model 537 Safety Relief Valves (50)
: 1/2 in (66)
1/2 in x 1/2 in (13)
1/2 in x 3/4 in (26)
1/2 in x Top Outlet (8)
3/4 in (81)
3/4 x 1/2 in (5)
3/4 x 3/4 in (2)
3/4 in x 3/4 in (27)
3/4 x 1 in (30)
3/4 in x 1 in (42)
: ANSI 250 Flanged x ANSI 125 Flanged (9)
ANSI 250 Flanged x FNPT (27)
FNPT (356)
FNPT x FNPT (61)
MNPT (58)
MNPT x FNPT (470)
MNPT x Top Outlet (52)
: Air/Gas ASME Section VIII (167)
Air/Gas ASME Section VIII & XIII (10)
Air/Gas, Non-Code (20)
Hot Water ASME Section IV (50)
Liquid, Non-Code (87)
Steam ASME Section I (179)
Steam ASME Section IV & XIII (3)
Steam ASME Section IV, Air, Steam, & Gas Section VIII & XIII, (47)
Steam, Non-Code (2)
Vacuum Air Non-Code (15)
: 5 psig (13)
6 psig (8)
7 psig (1)
8 psig (11)
9 psig (4)
10 psig (16)
11 psig (3)
12 psig (11)
13 psig (1)
14 psig (3)
: Brass (67)
Bronze (835)
Cast Bronze (9)
Cast Copper Silicon Alloy (2)
Cast Iron (116)
Copper Alloy (2)
Copper Silicon Alloy (5)
: Alloy Steel (140)
Alloy Steel/Brass (51)
Alloy Steel/Silicone (1)
Bronze Disc & Nozzle (41)
Bronze Nozzle, Disc & Guide (3)
Bronze Seat w/EPDM Insert (25)
Bronze Seat w/EPDM Insert & NBR O-Ring (25)
Bronze/Brass Seat (342)
EPDM Disc/Modified TFE Seat/Stainless Steel Spring (1)
EPR O-Ring (10)
: Domestic (455)

1038 items

Sort by:

show:

content loaded

Compare

Kunkle 930K High Capacity Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Nozzle, Disc & Guide, ASME Code IV & XIII Steam, 15 psig Set Pressure, Kunkle 0930K01-GC0015

CBPN:

23712

MPN:

0930-K01-GC0015

Price:

$777.29 / EA

QTY

Prop 65:

Price:

$777.29 / EA

QTY

Compare

WATTS® 0066110 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Brass Body

CBPN:

52253

MPN:

0066110

Price:

$63.62 / EA

QTY

Prop 65:

Price:

$63.62 / EA

QTY

Compare

WATTS® 0066133 Extended Shank Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

36396

MPN:

0066133

Pricing Available Upon Request

Prop 65:

Compare

WATTS® 0121475 LF174A-100 Pressure Relief Valve, 3/4 in Nominal, 100 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

CBPN:

213676

MPN:

0121475

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0121484 LF174A-150 Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

CBPN:

176998

MPN:

0121484

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0121489 (F121489) Model M1, LF174A-050 1 Pressure Relief Valve, 1 in Nominal, FNPT End Style, 50 psi Set Pressure, Copper Silicon Alloy Body

CBPN:

258967

MPN:

0121489

Price:

$1040.85 / EA

QTY

Prop 65:

Price:

$1040.85 / EA

QTY

Compare

WATTS® 0121602 Automatic Reseating Temperature/Pressure Relief Valve, 1-1/2 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

233638

MPN:

0121602

Price:

$4136.15 / EA

QTY

Prop 65:

Price:

$4136.15 / EA

QTY

Compare

WATTS® 0156731 40XL-150210 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

7975

MPN:

0156731

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0158774 40 Series Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

84771

MPN:

0158774

Price:

$538.14 / EA

QTY

Prop 65:

Price:

$538.14 / EA

QTY

Compare

WATTS® 0163803 LLL40 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

69203

MPN:

0163803

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0259705 140 Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

7964

MPN:

0259705

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274428 174A-030 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 psi Set Pressure, Bronze Body, Domestic

CBPN:

7955

MPN:

0274428

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274547 174A-060 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 60 psi Set Pressure, Bronze Body, Domestic

CBPN:

41490

MPN:

0274547

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274598 174A-075 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 75 psi Set Pressure, Bronze Body, Domestic

CBPN:

7956

MPN:

0274598

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274680 174A-090 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 90 psi Set Pressure, Bronze Body, Domestic

CBPN:

61474

MPN:

0274680

This item has been discontinued by the manufacturer

Prop 65:

Compare

Kunkle 930K High Capacity Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Nozzle, Disc & Guide, ASME Code IV & XIII Steam, 15 psig Set Pressure, Kunkle 0930K01-GC0015

CBPN:

23712

MPN:

0930-K01-GC0015

Prop 65:

Price:

$777.29 / EA

QTY

Compare

WATTS® 0066110 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Brass Body

CBPN:

52253

MPN:

0066110

Prop 65:

Price:

$63.62 / EA

QTY

Compare

WATTS® 0066133 Extended Shank Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

36396

MPN:

0066133

Prop 65:

Pricing Available Upon Request

Compare

WATTS® 0121475 LF174A-100 Pressure Relief Valve, 3/4 in Nominal, 100 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0121484 LF174A-150 Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0121489 (F121489) Model M1, LF174A-050 1 Pressure Relief Valve, 1 in Nominal, FNPT End Style, 50 psi Set Pressure, Copper Silicon Alloy Body

CBPN:

258967

MPN:

0121489

Prop 65:

Price:

$1040.85 / EA

QTY

Compare

WATTS® 0121602 Automatic Reseating Temperature/Pressure Relief Valve, 1-1/2 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

233638

MPN:

0121602

Prop 65:

Price:

$4136.15 / EA

QTY

Compare

WATTS® 0156731 40XL-150210 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0158774 40 Series Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

CBPN:

84771

MPN:

0158774

Prop 65:

Price:

$538.14 / EA

QTY

Compare

WATTS® 0163803 LLL40 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0259705 140 Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274428 174A-030 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274547 174A-060 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 60 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274598 174A-075 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 75 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

Compare

WATTS® 0274680 174A-090 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 90 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Prop 65:

show:

Pressure Relief Valves

Filter

Kunkle 930K High Capacity Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Nozzle, Disc & Guide, ASME Code IV & XIII Steam, 15 psig Set Pressure, Kunkle 0930K01-GC0015

WATTS® 0066110 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Brass Body

WATTS® 0066133 Extended Shank Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

WATTS® 0121475 LF174A-100 Pressure Relief Valve, 3/4 in Nominal, 100 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0121484 LF174A-150 Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0121489 (F121489) Model M1, LF174A-050 1 Pressure Relief Valve, 1 in Nominal, FNPT End Style, 50 psi Set Pressure, Copper Silicon Alloy Body

WATTS® 0121602 Automatic Reseating Temperature/Pressure Relief Valve, 1-1/2 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

WATTS® 0156731 40XL-150210 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0158774 40 Series Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

WATTS® 0163803 LLL40 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0259705 140 Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274428 174A-030 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274547 174A-060 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 60 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274598 174A-075 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 75 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274680 174A-090 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 90 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

Kunkle 930K High Capacity Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Nozzle, Disc & Guide, ASME Code IV & XIII Steam, 15 psig Set Pressure, Kunkle 0930K01-GC0015

WATTS® 0066110 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Brass Body

WATTS® 0066133 Extended Shank Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

WATTS® 0121475 LF174A-100 Pressure Relief Valve, 3/4 in Nominal, 100 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0121484 LF174A-150 Pressure Relief Valve, 3/4 in Nominal, 150 psi Set Pressure, Cast Copper Silicon Alloy Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0121489 (F121489) Model M1, LF174A-050 1 Pressure Relief Valve, 1 in Nominal, FNPT End Style, 50 psi Set Pressure, Copper Silicon Alloy Body

WATTS® 0121602 Automatic Reseating Temperature/Pressure Relief Valve, 1-1/2 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

WATTS® 0156731 40XL-150210 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0158774 40 Series Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

WATTS® 0163803 LLL40 Automatic Reseating Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0259705 140 Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274428 174A-030 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274547 174A-060 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 60 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274598 174A-075 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 75 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

WATTS® 0274680 174A-090 Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 90 psi Set Pressure, Bronze Body, Domestic

This item has been discontinued by the manufacturer

My Account

Support

SPECIALTY SERVICES

Contact Us