Patterson-Kelley MACH C-1500H Installation & Owner's Manual page 127

Appliance Connections (MACH C-2500 & C-3000)
All connections should be in compliance with national, state, and local code requirements.
N
OTICE
The appliance is furnished with a 3/4"
manual drain (ball) valve which allows the
user to completely drain the heat
exchanger. Make sure the appliance is
isolated from the heating system before
using the manual drain valve.
The appliance is furnished with 3/4" drain tubing which is
used to drain built-up condensation inside the appliance's
combustion chamber. Connect this 3/4" drain tubing to the
condensate neutralization system.
Revised: January 3, 2020
Released: January 3, 2020
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N !
OTICE
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1004905981 P-K MACH C1500H-C4000 Installation and
Owners Manual (Rev F Jan-2020).docx
Gas Fired Boiler
Page 122