Installation Guide
Page 22 
Continued Reinstalling Room Heater In ZC Cabinet 
5.  Next reconnect the heater power cord to the ZC cabinet receptacle. 
6.  Replace the Right Side Trim using the three (3) 5/16" screws. 
7.  Then replace the Top Front Trim using the seven (7) 5/16" screws. 
MODELS 51,T-51,74 or T-74 ROOM HEATERS AND MODEL 51ZC 
CABINET IDENTIFICATION  
(See Figures 16 & 17 For Additional Identification)  
(1) 
(2) 
(3) 
(4) 
(5) 
(6) 
(7) 
(8) 
(9) 
(10) 
(11) 
(23) 
(12) 
(13) 
(14) 
(15) 
(16) 
(17) 
(18) 
(19) 
(20) 
(21) 
(22) 
(24) 
(25) 
(26) 
(27) 
(28) 
(29) 
(30) 
(31) 
(32) 
1.  6" Flue Exit 
2.  Hot Air Vent 
3.  Top Fire Brick 
4.  Air Wash 
5.  Side Brick 
6.  Outside Trim 
7.  Door Handle 
8.  Brass Spring 
9.  Door Rope 
10.  Hearth  
11.  Rheostat 
12.  Door 
13. Glass Clips 
14. Second Air Intake 
15. Combustion Air Supply Handle 
16. Access Cover Door 
17. Thermostat 
18. Top Front Trim 
19. Motor 
20. Left & Right Front Trim 
21. Bottom Fire Brick 
22. Secondary Air Tubes 
23. Power Cord 
24. Top Outside Trim 
25. Glass & Logo 
26. Brass Hinge Cap 
27. Hinge Pins 
28. Hinge Block 
29. Optional Side Close Clear-
ance Heat Shield 
30. Hearth Brass 
31. Left & Right Outside Trim 
32. Access Cover Mounting 
Screws 
FIGURE 18 










