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 102
7.3.5 Natural Gas Train, Burner & Blower Assembly High Turndown (C1500T & C2000T)
Mark
Description
Mark
Description
1
Stainless Steel Mesh Burner
7
Internal (Downstream) Gas Cock
2
External (Upstream) Gas Cock
8
Air Intake Box & Transition Piece
3
Gas Piping & Supports
9
High Gas Pressure Switch
4
Main Gas Shutoff/Control Valve
10
Combustion Blower / Fan
5
Low Gas Pressure Switch
11
Burner Transition Piece
6
Air/Gas Venturi
1
2
3
4
5
7
8
9
10
11
6