Hydronic System Accessory Guide
How warm does a coat keep you without gloves and a hat? Accessories are someti...
Hover to zoom
1 Of 5
Grundfos ALPHA1 - 1/16 HP - Variable-Speed Circulation Pump - Cast Iron - GF 15/26 Flange - With Line Cord
Model:
ALPHA1 15-55F/LC
+
Share This Product
Recommended Accessories
Expert Recommended Accessories
Selected by Bob, our Expert
Required Accessories
9
These accessories are required to properly setup/install this product.
Optional Accessories
10
Features
- Durable Cast Iron Construction
- The Grundfos ALPHA1 15-55F/LC is crafted from cast iron, which gives the pump both extended lifespan and protection against corrosion.
- Additional Protection
- The ALPHA1 features an integrated check valve to automatically prevent backflow in your system as well as nut captures for flanges.
- Powerful Circulation
- The ALPHA1 boasts the highest torque rating in its class. Its unique start feature attempts to restart indefinitely every seven seconds in blocked rotor conditions.
- Preset Performance Modes
- Grundfos ALPHA1 pumps come with several constant pressure modes that adjust based on your water demand and is designed to simplify the integration of the pump into your hydronic system.
- Large, Easy-to-Read Display
- The integrated bright LED-lit display allows at-a-glance readings of either flow rate or power consumption.
- Whisper Quiet Operation
- Tested in one of the best European sound labs, the ALPHA1 operates at an extremely quiet 19.2 decibels.
Grundfos ALPHA1 pumps are a culmination of years of pump manufacturing experience, combining the best features of Grundfos circulators into a single pump while remaining easy to operate. The ALPHA1 15-55F/LC is a variable speed circulator designed to provide consistent flow in a wide variety of applications. Constructed of cast iron, the ALPHA1 is designed to provide year after year of reliable use.
Product Note
Cast iron cannot be used in domestic hot water or potable water applications.
Specifications
ALPHA1 15-55F/LC
Overview
Product Category
Boiler Accessories
UPC
05713826588052
Additional Model Numbers
99285998, ALPHA1 15-55F/LC
General Information
Product Line
ALPHA1
Product Category
Boiler Accessories
Motor Type
Variable Speed
Connection Type
Flanged
Mount Type
In-Line
Material
Cast Iron
Drive Type
Wet Rotor
DHW Compatible
DHW Compatible
Can be used in Domestic Hot Water applications (baths, sinks, showers).
No
Performance
Maximum Head
19 Feet
Maximum Flow Rate
21 GPM
Minimum Fluid Temperature
36 F
Maximum Fluid Temperature
230 F
Horsepower
1/16
Maximum Operating Pressure
150 PSI
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Current Draw
0.65 Amps
Dimensions
Product Height
6 1/2 Inches
Product Width
3 7/16 Inches
Product Depth
6 1/2 Inches
Flange Connection
GF 15/26
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
2 Years
Reviews
(2)
Grundfos ALPHA1 15-55F/LC Reviews & Ratings
Product Q&A
Be the First to Ask A Question
Answered by Bob, the Heating Product Expert
How-To Articles
How to Increase Efficiency and Comfort in Your Boiler
Low energy costs and a comfortable home are the hallmarks of an efficient, effe...
How to Pick the Perfect Hot Water Towel Warmer
Hydronic towel warmers are a great way to take advantage of your existing hot w...
eComfort How-To Library
Articles, Tips and Buying Guides from Our Experts
Manuals
Ask A Question!
*Required Fields
+
Thank You For Submitting Your Question
Your submission has been sent successfully. Please give our experts up to two business days to respond.
Media Gallery
Grundfos ALPHA1 - 1/16 HP - Variable-Speed Circulation Pump - Cast Iron - GF 15/26 Flange - With Line Cord
Customer Review Images
