AERCO KC1000 Boiler equipped with Mod-Box Controller - Manual (Page 42)

MAINTENANCE
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26. Beginning with the manifold, reinstall all the
components in the reverse order that they
were removed.
7.6.1 PROPANE UNITS
For propane units it will be necessary to remove
the air mix assembly in addition to the
components outlined in Section 7.6. Proceed as
follows:
1. Follow steps 1 through 5 under Section 7.6.
2. Using a wrench, loosen the two
compression fittings holding the 1/4”
feedback tube between the burner and air
regulator and remove the feedback tube
(See Fig. 7.9).
3. Using a 1-1/16” wrench or an adjustable
wrench loosen and remove the 12” flexible
gas hose.
4. Proceed back to Section 7.6 and continue at
Step # 6.
Figure 7.9
Propane Unit Component Location
NOTE:
Older propane units have a 1/8” feedback
tube and 1/8” OD tube compression fittings.