Grundfos 99163906, ALPHA2 15-55F/LC High-Efficiency Circulator

Roll over image to zoom in Click on image to zoom

Discontinued Direct Replacement Available

Grundfos 99163906, ALPHA2 15-55F/LC High-Efficiency Circulator

SKU:: GNC01-0865
MPN:: 99163906
Model:: 15-55F/LC

Grundfos 92603115, ALPHA 15-58F Circulator Pump for Hot Water

$378.95

In stock (1 unit)

View Replacement

This circulator pump is a high-efficiency ECM variable speed model designed for various heating and hot-water recirculation applications. It has AUTOADAPT and constant-pressure control modes, making it suitable for commercial air conditioning, commercial heating, and domestic heating systems.

Manufacturer	Grundfos
Part Number	99163906
Model	15-55F/LC
Rated flow	10.7 US gpm
Rated head	8.202 ft
Maximum head	18.05 ft
TF class	110
Approvals	ETL, FCC
Pump housing	Cast iron, EN 1561 EN-GJL-150
Impeller	Composite, Ultrason E 2010 G6 (PES 30%GF
Range of ambient temperature	32 .. 104 °F
Maximum operating pressure	145.04 psi
Type of connection	GF
Pipe connection	1 1/2
Pressure rating for connection	PN 10
Port-to-port length	6 1/2 in
Pumped liquid	Water
Liquid temperature range	35.6 .. 230 °F
Selected liquid temperature	140 °F
Density	61.35 lb/ft³
P1 min.	5 W
P1 max.	45 W
Main frequency	60 Hz
Rated voltage	1 x 115 V
Minimum current consumption	0.1 A
Maximum current consumption	0.65 A
Enclosure class (IEC 34-5)	IP42
Insulation class (IEC 85)	F
Built-in motor protection	NONE
Thermal protec	ELEC
Terminal box position	6H
Net weight	6.91 lb
Gross weight	7.53 lb
Shipping volume	0.28 ft³
Sales region	USA

ALPHA2 26-99 (Product brochure)

Line cord and terminal box kit for ALPHA2 and ALPHA1 (Service kit instructions)

ALPHA2, Variable-speed circulators with AutoADAPT™ (Installation and operating instructions)

ALPHA2, High-efficiency Circulator (Product brochure)

DBS, GRUNDFOS RESIDENTIAL BUILDINGS (Product brochure)

ALPHA 15-55 HWR-T (I & O instructions)

ALPHA, Pumps and accessories (Data booklet)

GRUNDFOS ALPHA 15-55 HWR-T, High-Efficiency Circulator (Product brochure)

ALPHA Quickguide

Grundfos has a wide range of products, pump solutions, and services for all applications. Grundfos' energy-efficient pumps provide comfort and move water, wastewater, and industrial liquids all over the world.

From the Atoms & Bits Blog

Grundfos Water Pumps - Comprehensive Guide

Published: Jan 08, 2026 By: Lucas Gasparotto

Discover Grundfos water pump models, learn about their benefits, technical details, main applications, controls, arrangement tips, and let Liberty Supply help you choose the ideal Grundfos pump today.

Grundfos Circulator Pumps | 2026 tips

Published: Feb 09, 2026 By: Lucas Gasparotto

Grundfos circulator pumps are a trusted choice for water systems. With proper setup and routine care, these pumps deliver quiet operation and optimized energy use. This guide highlights key checks ...

Save 0%

Grundfos

Grundfos 92603115, ALPHA 15-58F Circulator Pump for Hot Water

$378.95 $379.00

Recover password

Grundfos 99163906, ALPHA2 15-55F/LC High-Efficiency Circulator

Description

Specifications

Documents

About Grundfos

From the Atoms & Bits Blog

Grundfos Water Pumps - Comprehensive Guide

Grundfos Circulator Pumps | 2026 tips

Alternate Items

You May Also Like

Recently Viewed