P-K MACH
®
Gas Fired Boiler
Technical Service 1.877.728.5351
Revised: January 3, 2020
Released: January 3, 2020
Patterson-Kelley 2020
All Rights Reserved.
1004905981 P-K MACH C1500H-C4000 Installation and
Owners Manual (Rev F Jan-2020).docx
Page 122
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.
N
OTICE
!
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.