TFP1090 
Page 8 of 26
NO. DESCRIPTION QTY. P/N
1 Base 1 NR
2 Cover 1 NR
3 Upper Diaphragm  
Plate 1
See (c)
4 Pivot Plate Assembly 1 See (b)
4a Spirol Pin 1
4b Pivot Plate 1
5 Plunger 1 See (a)
5a Pan Hd. Machine Screw 1
5b Upper Diaphragm 
Retaining Ring 2
5c Upper Diaphragm 1
5d Jam Nut 1
6 Exhaust Valve 1 See (a)
6a Upper Plug 1
6b Washer 1
6c Lower Diaphragm 1
6d Lower Plug 1
6e O-Ring* 1
6f O-Ring Retainer 1
6g Exhaust Valve Screw 1
7 Rd. Head Machine 
Screw 
1/4˝-20 UNC x 5/8˝ 6
See (c)
8 Cover Gasket 1 See (a)
9 Vent Plug 1 See (c)
10 O-Ring* 1 See (a)
11 Restriction 1 See (a)
12 Restriction Access Plug 1 See (c)
13 Pan Hd. Machine Screw 
10-32 UNF x 5/8˝ 4
See (b)
14 Cotter Pin 1 See (b)
15 Lever 1 See (b)
16 Retaining Ring 1 See (b)
17 Anti-Flood Valve 1 See (b)
18 Relief Valve 1 See (b)
19 Spring 1 See (b)
20 Relief Valve Seat 1 See (b)
21 O-Ring* 1 See (b)
22 Seal Washer 1 See (b)
23 Latch 1 See (a)
24 Fillister Hd. Machine 
Screw  
1/4”-20 UNC x 1-1/2˝ 8
See (c)
25 Plug Seat 1 See (c)
26 O-Ring* 1 See (c)
27 O-Ring* 1 See (a)
28 Reset Knob 1 See (c)
29 Anti-Flood Seat  
Assembly w/Ball Float 1
See (b)
29a Insert 1
29b Seal 1
29c Guide 1
29d Ball 1
29e Clip 1
29f O-Ring* 1
* Requires thin lm of FS3452 
Fluorosilicone Grease
NR: Not Replaceable
Replacement Part Kits
Kit Description P/N
Repair Parts 
Kit (a)
Includes Items 5, 6, 8, 10, 11, 23, 27  
& 1.5 grams of FS3452
92-311-1-116
Replacement 
Parts Kit (b)
Include Items 4, 13-22, 29  
& 1.5 grams of FS3452
92-311-1-117
Replacement 
Parts Kit (c) 
Includes Items 3, 7, 9, 12, 24-26, 28,  
& 1.5 grams of FS3452
92-311-1-118
29b
29a
29c
29d
29e
29f
13
15
16
19
29
17
6
21
20
22
23
14
4a
4b
4
16
18
10
11
12
9
(RESTRICTION
ACCESS PLUG)
(VENT
PLUG
8
2
6a
6g
6f
6e
6d
6c
6b
3
5
5a
5b
5c
5b
5d
7
28
(RESET
KNOB)
27
24
1
25
26
5
3
FIGURE 4 
MODEL ACC-1 DRY PIPE VALVE ACCELERATOR 
ASSEMBLY