44 70 10170. 
website: https://www.add-furnace.com/  02-888-3472 
Line ID: @add11 e-mail: add028883472@gmail.com 
 
 
 
 
 
 
 
Table 2.  Key 25 Bottom-Connected Gauge 
 
0 to 15 
0 to 30 
0 to 60 
0 to 160 
(0 to 1,03) 
(0 to 2,07) 
(0 to 4,14) 
(0 to 11,0) 
11B8579X012 
11B8579X022 
11B8579X032 
11B8579X042 
 
 
 
Key    Description  Part number 
 
16  Vent or Screen, stainless steel (not shown)  0L078343062 
19  Adjusting Screw �ap, for cast iron spring 
case only (not shown)  20B3082X012 
24  Drive Screw, plated steel (4 required), for cast 
iron spring case  1E501728982 
25  Gauge  See Table 2 
27  Locknut, aluminum, for cast iron spring case  1N936009012 
42 
NA�E Tag, 18-8 stainless steel (not shown)  19A6034X012 
43 
Tag Wire, 304 stainless steel (not shown)  1U7581X0022 
Optional 657 or 667 Series actuator 
Mounting Parts—(not shown) 
Key    Description  Part number 
 
Mounting Bracket 
�asing mounting for size 80, plated steel  1E456825062 
�asing mounting for smaller sizes, steel  1H925525022 
Yoke mounting for all sizes, steel  1E204225092 
�ap Screw 
�asing mounting, plated steel (2 required)  A�856228992 
Yoke mounting, plated steel  1�631224052