Burnham Independence Operating And Service Instructions page 15

Gas - fired boiler
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e. Water with tankless heater only (EZWT and
WCT). Secure R8225D relay to Junction Box.
See Figure 1.
4. Water Boiler
a. Install Temperature/Pressure Gauge into upper
Tapping "C" (½ NPT bushed to ¼ NPT). See
Figure 1 and 2. Tighten by wrench applied to
square shank on back of gauge. DO NOT
APPLY PRESSURE ON GAUGE CASE since
this may destroy calibration of gauge.
b. Install hot water temperature limit and/or
combination control. Remove well from control.
Screw well into Tapping "H" (¾ NPT). See
Figure 1 and 2. Install bulb in well as far as
possible, then tighten set screw.
c. On boilers equipped with a circulator without
tankless heater in areas where condensation of
flue gases is encountered in boiler flueways, a
reverse-acting circulator control should be
installed in supply as close as possible to boiler
in order to avoid condensation.
E.
Continue to Section IV. Packaged Boiler Assembly,
Paragraph E.
1

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