Companion Reservoir
C21 & C41

Figure 1 Parts
Item No.

Description

Quantity

BubbleSeq No20705851

SCREW - #10-24 X
3/8 LG

21B-775845-SV

CONTENT
INDICATOR C-21

12B-775846-SV

CONTENT
INDICATOR C-31

12

B-775847-SV

CONTENT
INDICATOR C-41

12B-776168-00

KNOB-FCV (12POSITION)

13B-775834-00

0-6 FCV DECAL

1420705971

SCREW, FH, 6-32 X
1/4”, SS25

B-775877-00

PLATE-FLOWLOCK(12 POSITION)

16B-775855-FLO

FCV 0.25-6 LPM

17B-775314-00EXTENSION ASSYHUMID ADAPTER

1815075347

DUST CAP S/A BLK
W/RND ORING

110B-775116-00

SCREW - 10-24
UNC X 3/8 LG

11120705851

SCREW - #10-24 X
3/8 LG

312B-775110-00

MOUNTING PLATE,
C-21/31/41

1

13B-775176-00

SCREW SS BHCS
6-32 X 3/8” LG

214B-775108-00

STANDOFF, MANIFOLD, C-21/31/41

415-1-Figure 1: Companion Contents Indicator Exploded

Parts List

PN 20569187 Rev G

Companion Reservoir
C21 & C41Figure 2 Parts
Item
NumberDescription

Quantity

BubbleSeq NoB-701002-00

SCREW, PAN HEAD
1/4-28 X 1 1/411B-778979-00

RETAINING WASHER, SHROUD

12B-778436-00

DECAL, LIQUIDCONTENTS

13* See Note

DECAL WARNING
LABEL

14B-776080-00

COVER-TOP

15* See Note

DECAL,CONTENTSWARNING

16B-775101-00

SHROUD BODY

17CA002305

PHPNHMS SS#6-32X3/8"LG

58B-775132-00

O-RING,MANIFLD
SEAL

19B-701359-00

ELBOW, DRAIN
BOTTLE

110B-701360-00

BRACKET, DRAIN
BOTTLE

111B-701320-00

DRAIN BOTTLE

112B-701362-SV

DRAIN BOTTLE KIT113B-702093-SV

C21 DEWAR

114B-702095-SV

C41 DEWAR

114* Note: Reference Service Bulletin 21174579

Figure 2: Companion Reservoir Exploded-2-Parts List

PN 20569187 Rev G

Companion Reservoir
C21 & C41

Figure 3 Parts
Item
NumberDescription

Quantity

BubbleSeq NoB-775794-00

PRESS ON HOSE
CLAMP

2120537653S

SENSOR LINE LLG
LOW 5”

12B-775139-00

VALVE, SECONDARYRELIEF, 30PSI

13B-778167-00

BARBED HOSE
FITTING .050

1410002368

RELIEF/ECONOMIZERVALVE,

1520590844MUFFLER SINTERED

16B-775856-SV

SENSOR LINE LLG
HIGH 12”17B-775794-00

PRESS ON HOSE
CLAMP

2815055709-SV

WARMING COIL

1915055688-SV

ADAPTER TEE S/AR/E TO WARMING
COIL

110CA403730

COIL STRAP

21115092391-SV

C41 MANIFOLD
ASSY

11215092382-SV

C31 MANIFOLD
ASSY

11215092374-SV

C21 MANIFOLD
ASSY

11220580870

VENT-TO-FILL VALVE

113B-775329-00

EXTENSION, VENT
WITH ORIFICE

11411020621

O-RING #004 VITON
75 DURO

115B-775063-00

FERRULE,1/4” TUBE

116B-775265-00

NUT, 1/4” TUBE

11715055725-SV

BREATHING COIL

11815069721

ELBOW 1/8FNPT X
1/4 COMP

11910023694

BLOCK SPACER COIL
FOAM

120CA403730

COIL STRAP

121-3-

Figure 3: Companion Reservoir Plumbing Exploded

Parts List

PN 20569187 Rev G

Companion Reservoir
C21 & C41

Figure 4 Parts
Item
NumberDescription

Quantity

BubbleSeq NoB-775113-00

BUTTON, QC
RELEASE ASSY

11

B-775192-00

STUD - #6-32 X 1/2
LONG

12B-775112-00

ROD QC RELEASEASSY13B-775119-00

O RING

24

B-775115-00

PIN SPRING, 1/8” X
1” SS

15

B-775114-00

PIN, SPRING, 1/8” X
1/2”, SS

26B-775111-00

LEVER, QC RELEASE
ASSY

17B-775118-00

SPRING, QC RELEASE
ASSY

18

B-775116-00

SCREW - 10-24 UNC X
3/8 LG

29B-775109-00

BRACKET PIVOT

110

B-775114-00

PIN, SPRING, 1/8” X
1/2”, SS

2

11

B-775106-SV

ASSY, QC RELEASE,
C-21/31/41

112Figure 4: Companion Reservoir Quick Release Exploded

Figure 5 Parts
ItemNumberDescription

Quantity Bubble
Seq NoB-775107-00

ACTUATOR, QC
RELEASE ASSY

1115101621

ASSY, QUICKCONNECT, MALE

12

Figure 5: Companion Reservoir Exploded-4-Copyright © 2019 CAIRE, Inc. reserves the right to discontinue its products, or change the prices, materials, equipment, quality, descriptions, specifications
and/or processes to its products at any time without prior notice and with no further obligation or consequence. All rights not expressly stated herein arereserved by us, as applicable.

Parts List

PN 20569187 Rev G