Thos. Somerville Co. | Pressure Relief Valves

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Pressure Relief Valves

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: Apollo™ (14)
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WATTS® (110)
: Boiler Applications (1)
Commercial Water Heater (12)
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For commercial applications to provide protection for hot water supply tanks and hot water heaters (14)
Heating (1)
Medium and Large Size Commercial and Industrial Heating Boiler (3)
Medium and large commercial and industrial steam heating and processing boilers (2)
Plumbing (1)
: 11-1/2 in H x 6-1/2 in L (5)
11-5/8 in H x 6-3/4 in L (3)
4-1/2 in H x 2-3/4 in L (7)
5-3/4 in H x 3 in L (7)
5-3/4 in H x 3 in W (1)
5-5/8 in H x 2-5/8 in W (7)
5-5/8 in H x 3 in L (2)
6-1/4 in H x 2-3/4 in W (3)
6-1/4 in H x 3-1/4 in W (1)
6-1/4 in H x 3-3/8 in W (1)
: Import (1)
Domestic (124)
: Female NPTF (41)
Male NPTF x Female NPTF (11)
FNPT (39)
MNPT x FNPT (33)
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: 1 in (27)
1 x 1 in (1)
1 x 1-1/4 in (3)
1-1/2 in (6)
1-1/2 x 2 in (4)
1-1/4 in (13)
1-1/4 x 1-1/2 in (3)
1/2 in (4)
2 in (14)
2 x 2-1/2 in (3)
: 112 psi (13)
56 psi (1)
80 psi (3)
93 psi (8)
150 psi (22)
100 psi (5)
125 psi (2)
60 psi (6)
45 psi (1)
15 psi (9)
: 13 (4)
40L (7)
FWL-2 (1)
LF40 (3)
LF40L (4)
LF530 (1)
LFN240 (2)
N240 (2)

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

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

Part #429625

MFG #0066133

U/M

WATTS® 0556034 LF3L Poppet Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Copper Alloy Body

Compare

WATTS® 0556034 LF3L Poppet Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Copper Alloy Body

Part #429570

MFG #0556034

U/M

WATTS® 0066100 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Brass Body

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WATTS® 0066100 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Brass Body

Part #429620

MFG #0066100

U/M

WATTS® F274836 174A Automatic Reseating Valve, 3/4 in Nominal, Female NPTF End Style, 112 psi Pressure, Bronze Body

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WATTS® F274836 174A Automatic Reseating Valve, 3/4 in Nominal, Female NPTF End Style, 112 psi Pressure, Bronze Body

Part #1242056

MFG #F274836

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

Superseded

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

Part #429801

MFG #0274428

WATTS® 0121357 LF100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 100 psi Pressure, Copper Alloy Body

Compare

WATTS® 0121357 LF100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 100 psi Pressure, Copper Alloy Body

Part #529854

MFG #0121357

U/M

Campbell™ RV2NLF Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, Red Brass Body

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Campbell™ RV2NLF Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, Red Brass Body

Part #337562

MFG #RV2NLF

U/M

WATTS® 0274836 174A Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 to 150 psi Pressure, Bronze Body

Superseded

Compare

WATTS® 0274836 174A Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 to 150 psi Pressure, Bronze Body

Part #429851

MFG #0274836

Campbell™ RV2N100-LF Pressure Relief Valve, 1/2 in, 100 psi, Red Brass Body

Compare

Campbell™ RV2N100-LF Pressure Relief Valve, 1/2 in, 100 psi, Red Brass Body

Part #337563

MFG #RV2N100-LF

U/M

Cash Acme® 14737-0150 FWL-2 Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Pressure, Bronze Body

Compare

Cash Acme® 14737-0150 FWL-2 Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Pressure, Bronze Body

Part #1231564

MFG #24799-0150

U/M

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

Compare

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

Part #429625

MFG #0066133

U/M

WATTS® 0556034 LF3L Poppet Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Copper Alloy Body

Compare

WATTS® 0556034 LF3L Poppet Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Copper Alloy Body

Part #429570

MFG #0556034

U/M

WATTS® 0066100 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Brass Body

Compare

WATTS® 0066100 100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, 150 psi Pressure, Brass Body

Part #429620

MFG #0066100

U/M

WATTS® F274836 174A Automatic Reseating Valve, 3/4 in Nominal, Female NPTF End Style, 112 psi Pressure, Bronze Body

Compare

WATTS® F274836 174A Automatic Reseating Valve, 3/4 in Nominal, Female NPTF End Style, 112 psi Pressure, Bronze Body

Part #1242056

MFG #F274836

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

Superseded

Compare

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

Part #429801

MFG #0274428

WATTS® 0121357 LF100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 100 psi Pressure, Copper Alloy Body

Compare

WATTS® 0121357 LF100XL Temperature/Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 100 psi Pressure, Copper Alloy Body

Part #529854

MFG #0121357

U/M

Campbell™ RV2NLF Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, Red Brass Body

Compare

Campbell™ RV2NLF Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, Red Brass Body

Part #337562

MFG #RV2NLF

U/M

WATTS® 0274836 174A Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 to 150 psi Pressure, Bronze Body

Superseded

Compare

WATTS® 0274836 174A Pressure Relief Valve, 3/4 in Nominal, FNPT End Style, 30 to 150 psi Pressure, Bronze Body

Part #429851

MFG #0274836

Campbell™ RV2N100-LF Pressure Relief Valve, 1/2 in, 100 psi, Red Brass Body

Compare

Campbell™ RV2N100-LF Pressure Relief Valve, 1/2 in, 100 psi, Red Brass Body

Part #337563

MFG #RV2N100-LF

U/M

Cash Acme® 14737-0150 FWL-2 Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Pressure, Bronze Body

Compare

Cash Acme® 14737-0150 FWL-2 Pressure Relief Valve, 3/4 in Nominal, MNPT x FNPT End Style, 150 psi Pressure, Bronze Body

Part #1231564

MFG #24799-0150

U/M

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