Weil-McLain Evergreen 399 Advanced Manual

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.
Part number 550-100-160/0715
™
CONDENSING GAS BOILER
220/299/300/399
Advanced Manual
Multiple boiler installation & settings + Single boiler advanced settings

Weil-McLain Evergreen 399 Specifications

General

Model	Evergreen 399
Boiler Type	Condensing
Efficiency	95% AFUE
Fuel Type	Natural Gas or Propane
Vent Type	Direct Vent
Modulation Ratio	5:1
Max Temperature (°F)	200 °F
Type	Gas Boiler
Water Connections	NPT
Vent Connection Size	3
Venting	PVC or CPVC
Electrical Supply	120V, 60Hz