Weil-McLain ECO 70 Manual&Nbsp;

Wall Mount
Gas-Fired Water Boilers
70/110/155
Part number 550-142-122/0513
This manual must only be used by a qualified heating installer/service technician. Read all instructions, includ-
ing this manual and all other information shipped with the boiler, before installing. Perform steps in the order
given. Failure to comply could result in severe personal injury, death or substantial property damage.
s)NSTALLATION
s3TARTUP
s-AINTENANCE
s0ARTS
Boiler Manual
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Weil-McLain ECO 70 Specifications

General

Model	ECO 70
Fuel Type	Natural Gas or Propane
Input BTU/hr	70, 000
Efficiency	95% AFUE
Water Content	1.9 gallons
Weight	140 lbs
Boiler Type	Condensing
Heat Exchanger Material	Stainless Steel
Modulation Ratio	5:1