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An ISO 9001-2008 Certified Company
P/N# 240010954, Rev. A [01/2015]
GM90-50/75/100 Series 4
GAS-FIRED, DIRECT VENT,
CONDENSING,
HOT WATER BOILER
INSTALLATION, OPERATIONS AND MAINTENANCE
MANUAL
Manufactured by:
ECR International, Inc.
2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com
Tested For
100 psi
ASME
Working Pressure
C.S.A. Certified
For Natural Gas Or Propane
Models
GM90-50
GM90-75
GM90-100