The information below supplements information contained in Installation, Operating and Service Instructions for Alpine™
Condensing High Efficiency Direct Vent Gas-Fired Hot Water Boiler, Part No. 101602-01. Follow Supplemental Instructions and
details outlined below until directed otherwise.
Prior to attempting any service on this boiler, read, understand and follow all instructions as outlined in
this supplement and also the Installation, Operating and Service Instructions which was provided with the
boiler.
These instructions contain supplemental revised information related to recommended circulator models for
Alpine™ boilers. Refer to Installation, Operating and Service Instructions manual for all other installation
instructions. Where applicable, substitute these instructions, paragraph for paragraph, for the information
outlined in the Installation, Operating and Service Instructions manual provided with the boiler.
VI. Water Piping and Trim
Table 9 : Recommended Circulator Models for Alpine (ALP) Boilers Based on 25°F Temperature Differential
and Up to 75 ft. Equivalent Length Near-Boiler Piping
Boiler Supply
Boiler
Connection,
Model
Inch, FPT
ALP080
1
ALP105
1
ALP150
1
ALP210
1
ALP285
1¼
ALP399
1½
Notes:
* Circulator Models shown are not equipped with internal flow check valve (IFC).
When selecting Circulators with IFC contact Circulator Manufacturer for sizing information.
Near-Boiler Piping Size shown is based on 2 to 5.5 Ft/Sec. velocity range to avoid potential noise and pipe erosion.
0297-0R-7/08
GeneRal InFoRMatIon
Near-Boiler
Boiler Return
Piping
Connection,
Supply Pipe
Inch, FPT
Size, Inch
1
1
1
1
1
1
1
1¼
1¼
1½
1½
2
Recommended Circulator Models
Alpine™ Condensing High Efficiency
Direct Vent Gas-Fired Hot Water Boiler
WARNING
Near-Boiler
Flow, GPM
Piping
@ 25°F Temp.
Return Pipe
Differential
Size, Inch
1
5.8
1
7.7
1
11.0
1¼
15.5
1½
21.5
2
30.2
Supplemental Instructions
Combined
* Recommended
Boiler & Piping
Loop Head
Make & Model
Loss, Ft.
10.3
15.1
26-99 FC (second speed)
13.1
26-99 FC (first speed)
12.7
26-99 FC (first speed)
13.0
26-99 FC (third speed)
12.0
32-80/2 F (second speed)
Circulator
Taco 0010
Grundfos UPS
15-58 FRC
Taco 0014
Grundfos UPS
Taco 0014
Grundfos UP
Taco 0014
Grundfos UP
Taco 0013
Grundfos UP
Taco 1400-20
Grundfos UPS