Current I&O Manuals:

HIGH EFFICIENCY GAS

GHE-II HEATING BOILER
GHE-II COMBI BOILER

CAST IRON GAS

CG-F
PVCG-C 
CGS-C

CAST IRON OIL

CL WATER 
CI-HGS
CL STEAM 

STEEL OIL

AP-U
FR
FR-HGS
FR LIGHT COMMERCIAL

INDIRECT WATER HEATER

LINK SL 

Product Data  Sheets:

HIGH EFFICIENCY GAS

GH-II HEATING BOILER
GHE-II COMBI BOILER

CAST IRON GAS

CG-F
PVCG-C 
CGS-C

CAST IRON OIL

CL WATER 
CI-HGS
CL STEAM 

STEEL OIL

AP-U
FR
FR-HGS
FR LIGHT COMMERCIAL

INDIRECT WATER HEATER

LINK SL 

Warranty Information

NEW YORKER LIMITED WARRANTY

Pre 2012 I&O Manuals:

CAST IRON GAS

CGS-A

CAST IRON OIL

CL WATER
CI-HGS
CL STEAM  

STEEL OIL

AP-U
FR SERIES
FR-HGS 

Products Not of Current Manufacture I&O Manuals: 

MICROTEK3

MICROTEKDV

WC FUELSAVER

CG-A

CG-B

CG-C

CG-D

CG-E

CLS

CLW

PVCG-B

CL WATER (Pre-2021 Models)

CL WATER (Supplemental Instructions: Honeywell L7224/L7248)

CL STEAM (Pre-2021 Models)