Lochinvar 300 Installation And Operating Manual page 54

Natural gas and Propane (LP) main
burner with igniter assembly for 40k
and 45k Btu/hr models (item 13 in
Figure 1).
34
Flare
Nut
††
33
41
Figure 58.
Natural gas and Propane (LP) main
burner with igniter assembly for
58k, 62k, 72k & 76k Btu/hr models
(item 13 in Figure 1).
34
Flare
Nut
††
33
41
40
Figure 59.
54
35
†
36
37
38
39
40
Notes:
*
** The side recirculation loop connections may not be
*** Caution: harness has 120 VAC during operation.
**** See "Vent Pipe Installation" for more information.
†
35
†
†† For Natural gas models the Flare Nut has Right-hand
36
37
38
39
www. lochinvar .com
Shown with Junction Box
Cover removed for clarity.
27
28
44
46
45
Figure 60.
Items not supplied with the water heater.
used as the primary water inlet and outlet connections.
See "Combo Heating Inlet And Outlet Side Taps".
The orifice on Natural gas models has Right-hand
thread, the orifice on Propane (LP) models has Left-
hand thread.
thread. For Propane (LP) models the Flare Nut has
Left-hand thread.
26
42
43
47
100304522_2000545236 _Rev. 02