Product Overview

Taco Inc., 1160 Cranston Street, Cranston, RI 02920 / [phone] / Fax [phone]
Taco (Canada) Ltd., 8450 Lawson Road, Unit #3, Milton, Ontario L9T 0J8 / [phone] / Fax [phone]
www.TacoComfort.com
Model Volts Class Flange Size HP Hz Ph
Max.
Amps
Max.
Watts
RPM
VR3452-HY1 115 Class H 3/4 to 1-1/2 1/100 to 1/4 50/60 1 2.5 180 1100-4400
VR3452-HB1 230 Class F 3/4 to 1-1/2 1/100 to 1/4 50/60 1 1.5 180 1100-4400
Motor
Type
ECM, Permanent Magnet, Impedance Protected
Applications
The VR3452 circulator is used for circulation of water or a mixture of water/
glycol in hot water heating systems, air conditioning systems and closed loop
circulation systems. Operating modes include self-adjusting auto, proportional
pressure, constant pressure, constant speed and night setback.
Mounting Positions
Pump Dimensions & Weights
Model
A B C E F Weight
in. mm in. mm in. mm in. mm in. mm lbs. Kg
VR3452-FC1A00 6-3/8 162 9-1/2 241 7-7/16 189 4-5/8 117 7-7/16 179 7.8 3.5
VR3452-FC1A01 6-3/8 162 10-3/4 273 8-3/4 222 4-5/8 117 7-7/16 179 7.8 3.5
A
B
C
E
F
* Controller Module standard on -FC1A01 models. Adds 1-5/16” to dimensions B and C.
FOR INDOOR USE ONLY
Additional Data
Flange Orientation
Specifications
• Maximum Shutoff Head: 34 feet
• Maximum Flow: 52 gpm
• Maximum Operating Pressure: 145 psi
(10 bar)
• Maximum Water Temp: 230°F (110°C)
• Minimum Water Temp: 14°F (-10°C)
• Ambient Temp Range:
32°F (0°C) to 104°F (40°C)
• Minimum Inlet Pressure:
112˚F (50˚C) 0.73 psi / 0.05 bar
176˚F (80˚C) 5.8 psi / 0.4 bar
230˚F (110˚C) 15.95 psi / 1.1 bar
• Electrical specifications:
1phase,110-120V, 47-63Hz ( VR3452-HY1 )
1phase, 200-240V, 47-63Hz ( VR3452-HB1 )
• Operating Power: 1/4HP, 10-180W
• Rated Current:
(1 phase, 115V) 0.1A to 2.5A
(1 phase, 230V) 0.1A to 1.5A
• Continuous Duty
• Built in start-up circuit
• Equipped with a cast iron casing
and should be used for closed
loop systems only
• Taco circulator pumps are
for indoor use only
• Acceptable for use with water or
maximum of 50% water/glycol solution
• Degree of protection: IP 44, Class 2
Materials of Construction:
Casing: ...............................Cast Iron
Impeller: ........................... Non-Metallic
Shaft: ..................................Stainless Steel
Bearings: ..........................Graphite
Ventricular wall: ........... Stainless Steel
Rotor Can: .......................Stainless Steel
Certifications & Listings:
Conforms to UL Standard 778
Certified to CSA Standard 22.2 No 108
4004896
Companion anges are .75” to 1.5”
(same as used on Taco 00® series).
See catalog 100-7.3 and 100-56
Submittal Data # 101-173 Eective: 08/04/15
Supersedes: New
Submittal Data Information
Viridian® — VR3452