Install Instructions

Part Number 550-142-902/1016

CGi

GAS-FIRED WATER BOILER — SERIES 3 — Boiler Manual

Dimensions

13a

Figure 44 Dimensional drawing

Boiler

model

number

Supply

tapping

(inches NPT)

Return

tapping

(inches NPT)

Gas

connection size

Note 3

(inches NPT)

Gas

manifold size

Note 3

(inches NPT)

“W”

Jacket

width

(inches)

CGi-25 1 ¼ 1 ¼ ½ ½ 10

CGi-3 1 ¼ 1 ¼ ½ ½ 10

CGi-4 1 ¼ 1 ¼ ½ ½ 13

CGi-5 1 ¼ 1 ¼ ½ ½ 16

CGi-6 1 ¼ 1 ¼ ½ ½ 19

CGi-7 1 ¼ 1 ¼ ¾ ¾ 22

CGi-8 1 ¼ 1 ¼ ¾ ¾ 25

Note 3:

Gas piping from meter to boiler to be sized per local utility requirements.