Sentinel* Fire Hydrant Parts

Why use our parts?

Fire hydrants are often exposed to the elements, physical impacts, and heavy use during emergency situations. A worn or poorly fitted part can compromise the proper functioning of the equipment at a critical moment. Using high-quality generic parts with OEM-equivalent performance helps extend the equipment’s lifespan while ensuring the safety of both intervention teams and the public.

By choosing Hydra-Spec, you benefit from:

  • A large, locally stocked inventory
  • Responsive and knowledgeable customer service
  • Expert advice tailored to your needs
  • An excellent quality-to-price ratio

Over 25 years in business

Local Inventory for quick access

Wide terrain expertise

Inspection, restauration and sale of parts

Fire Hydrant Part Details

H-S

REF

Description

Pièces

5101

5104

5115

5120

2125*

5130*

2135*

2135-ZS

5140*

1040-ZM

5145

5146

5150

2055

2056

2056-F

2060*

5170

5175

5185

1

2

5

20

16a

12a

16

16

12

12-stz

22

49

41

25

46

27

33

37

39

Operating nut

Hold down nut

Top cap

Upper stem

Hose nozzle¹

Hose nozzle cap¹

Pumper nozzle² (not shown)

Storz pumper nozzle

Pumper nozzle cap² (not shown)

Pumper nozzle cap Storz (filet ext.)

Safety coupling

Extension coupling

Upper barrel

Breaking flange

Floating flange

Threaded flange

Lower stem

Valve seat

Drip valve assembled

Lower valve plate

H-S

REF

Description

Hardware

QU-01

QU-02

QU-04

QU-06

QU-311

QU-323

QU-332

QU-510

QU-604

QU-608

QU-715

QU-716

15

26

21

8

42

1a

30

24

6A

6

Chain with s-hook and cap ring

Flange bolt & nut

Coupling bolt & nut

Body cap bolt & nut

Holding clamp screw

Hose nozzle allen screw

Lubricating screw

Holding clamp

Flange lock ring

Drain plug

Thrust washer (lower)

Thrust washer (upper)

H-S

REF

Description

O-Rings

JT-18

JT-28

JT-31

JT-31

JT-35

JT-38

JT-42

JT-48

9

3A/3B

4

11a

36

31

10

11

Operating stem O-ring

Hold down nut internal O-ring

Hold down nut external O-ring

Hose nozzle O-ring

Seat lower O-ring

Seat upper O-ring

Storz pumper nozzle cap gasket

Pumper nozzle O-ring 4″ or 4½”

H-S

REF

Description

Gaskets

5100

5100-S

GA-04

GA-21

GA-25

GA-48

GA-50

GA-76

1080

7

23

24

10

10a

29

38

Complete restoration gasket kit

Half restoration gasket kit

Top gasket

Intersection flange gasket

Inlet boot gasket

Pumper nozzle cap gasket (not shown)

Nozzle cap gasket 2½”

Drain valve lining

Main valve disc “polyurethane”

1. Specify thread type
2. Specify type and dimension

*All manufacturers’ names, part numbers and descriptions are used for reference purposes only. We do not imply that any parts are the products of a particular manufacturer.

Our Parts and Products

Fire Hydrant Parts

We offer a complete range of essential parts to ensure the proper functioning of fire hydrants. All our parts are selected for their durability, performance, and compatibility with existing systems.

Tools

Durable, field-ready tools for hydrant inspection and maintenance. Includes Hydrantscope, Reflectoscope, valve keys, and more—built for precision and reliability.

Municipal Equipment

Reliable equipment for flushing, draining, and purging hydrant systems. Designed to keep water networks clean, efficient, and compliant.

Visual Markers

High-visibility markers that help quickly locate and identify hydrants in any condition. Includes reflective indicators, color codes, and customizable ID plates.