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condensate generated in the secondary heat exchanger can be neutralized by the Neutralizer
accessory.
Case A: If a neutralizer is not required
1. Connect a 1/2” FPT X 3/8” (or 1/2”) HB Adaptor to the condensate drain port at the bo
tt
om of the
micro-boiler.
2. Connect a condensate drain tube to the 1/2” FPT X 3/8” (or 1/2”) HB Adaptor.
The manufacturer
recommends the material of the condensate tube be either EPDM or PVC.
3. Leave an adequate amount of space between the end of the drain tube and the actual drain, to
facilitate proper drainage.
Case B: If a neutralizer is required (installing the Neutralizer assembly)
1. Connect the 1/2” FPT X 3/8” MPT Adaptor to the condensate drain port at the bo
tt
om of the micro-
boiler.
2. Connect the Neutralizer to the 3/8” MPT c
onnection
of the adaptors.
There is a
fl
ow dir
ection
indicator
on the neutralizer. Please orient the neutralizer in the proper dir
ection.
3. Connect a 1/2” drain tube to the other end of neutralizer.
4. Leave an adequate amount of space between the end of the drain tube and the actual drain, to
facilitate proper drainage.
WARNING
Discharge condensate (acidic water) in accordance with all local codes
and common safety pr
actices.
Condensate
drain port
1/2" Condensate
drain tube
Adequate space
Drain
1/2" FPT x 3/8" MPT
(Included with
Neutralizer accessory)
Neutralizer cartridge
(Included with
Neutralizer accessory)
3/8" MPT x 1/2" HB
(Included with
Neutralizer accessory)
Drain
3/8" or 1/2"
Condensate
drain tube
Condensate
drain port
1/2"
FPT x 3/8"
(or 1/2") HB
Adequate space
Case A
Case B
The
micro-boiler is a high efficiency condensing unit that produces condensate (acidic water). The acidic
