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Control Valve Assembly
Item No. Quantity Part No. Description
1 .................. 1 .....................41428-01 .................. Valve Body, 2900s, Machd, NPT U.S. Tap
............................................41428-09 .................. Valve Body, 2900s, Machined, w/Soft Water Adapter
2 .................. 1 .....................10757 ....................... Spacer, End
............................................10757B ..................... Spacer, End, Brass, HW
3 .................. 7 .....................10545 ....................... Seal, Piston
............................................10545-01 .................. Seal, Piston, Viton
............................................10545-02 .................. Seal, Piston, Silicone
4 .................. 6 .....................11451 ........................ Spacer, 12 Hole
............................................16589 ....................... Spacer, Hot Water
5 .................. 1 .....................14451 ....................... Piston, 2750
............................................19454* ...................... Piston, 2750, Upflow
6 .................. 1 .....................41424 ....................... Rod, Piston, 2900s, Upper
7 .................. 1 .....................41131 ........................ Plug, End
.................... 1 .....................10212 ....................... Plug, End, 1500/2750, Brass
8 .................. 1 .....................10909 ....................... Pin, Link
9 .................. 1 .....................10209 ....................... Quad Ring,-010
10 ................ 1 .....................40078 ....................... O-ring, 28mm X 2mm
............................................10234-01 .................. O-ring, -024, Hot Water
11 ................ 4 .....................11720 ........................ Seal, Piston, 2900/3150
............................................10545-02 .................. Seal, Piston, Silicone
12 ................ 2 .....................10369 ....................... Spacer, 2”, 2900/3150
............................................14241-01 .................. Spacer, Hot Water
13 ................ 1 .....................14753 ....................... Spacer, 2900
............................................16589 ....................... Spacer, Hot Water
14 ................ 1 .....................14757 ....................... Piston, HWBP
............................................14752 ....................... Piston, 2900, NHWBP
15 ................ 1 .....................14818 ....................... Ring, Piston Rod, Snap
16 ................ 1 .....................14758 ....................... Rod, Piston, 2900
17 ................ 1 .....................14922 ....................... O-ring, -035, Piston
18 ................ 1 .....................14926 ....................... Quad Ring, -012
19 ................ 1 .....................14754-00 .................. End Plug Assy, 2900
............................................14754-01 .................. Plug, End, White, Machined
............................................14754-10 .................. End Plug Assembly, 2900/2930, NHWBP
............................................19276-01 .................. End Plug Assembly, 2900s, Brass, HW
............................................41427-01 .................. Plug, End, 2900s, Lower, White
............................................41427-11 ................... Plug, End, 2900s, Lower, Black
20 ................ 1 .....................14813 ....................... Pin, Spring, Connecting Rod
21 ................ 1 .....................13575 ....................... O-ring, -240
............................................15210 ....................... O-ring, -343, Park Tank
22 ................ 1 .....................13577 ....................... O-ring, -226
23 ................ 1 .....................61525 ....................... Softwater Adapter Kit, 2900s
25 ................ 2 .....................19925 ....................... Gasket, Injector Body, 1700
31 ................ 1 .....................11893 ........................ Cap, Injector, Stainless Steel
32 ................ 2 .....................15137 ....................... Screw, Hex Wsh Mach, 10 - 24 x 3/8
*Upflow Only
For Service Assembly Numbers, See the Back of this Manual