Lochinvar 400 - Manual (Page 5)

Installation & Operation Manual
Front View - Model 400
27
35
8
7
20
13
28
23
14
29
25
4
5
37
38
Left Side (inside unit) - Model 400
19
21
36
16
1
3
17
33
26
2
Right Side (inside unit) - Model 400
The Knight XL - How it works...
(continued)
Rear View - Model 400
5
Model 400
10
31
24
18
11
6
15
32
22
30
38. High limit sensor (housed with the outlet temperature sensor)
Device that monitors the outlet water temperature. If the temperature exceeds its setting, the integrated control will break the control circuit,
shutting the boiler down.