Spec Sheet

DIMENSIONS

FRONT

TOP

6.50”

(165 mm)

4.88” (124 mm)

SIDE

5.39” (137 mm)

Grundfos GTK03 Pump Kit

Part Number: GTK03

Kit Contents

 Grundfos 15-55 pump and internal check valve

 6 Ft (2 m) BX conduit pre-wired to pump (includes in-line 4 Amp glass fuse)

 Flange kit

 Rinnai Circ-Logic™ Manual

Specifications

Housing Material Stainless Steel with Check Valve

Flow Range 20 GPM

Head Range 17 Ft (5 m)

Max Liquid Temperature 150° F (65° C)

Maximum System Pressure 145 PSI

Input Voltage 115 V

Frequency 60 Hz

Max Amperage 0.75 A

Connection Size 3/4” Flange

Weight (Pump/Flange Kit Combined ) 8.6 lbs. (4 kg)

Pipe Length

Equivalent pipe length using Grundfos GTK03 pump at

120°F (49° C) = Up to 200 Ft (61 m) (3/4” piping).

Equivalent pipe length includes supply piping, return piping and

fittings. The installer/contractor/engineer must calculate the total equivalent

pipe length of the piping system.

Warranty Manufacturer’s Warranty Applies

Requirements

Grundfos GTK03 Kit must be used with Rinnai Tankless Water Heaters

utilizing Rinnai Circ-Logic™.

Grundfos GTK03 Pump Kit is included with the following kits

 Control-R™ Wireless Demand Recirculation Kit:

1 Push Button with Pump (Part # RWMKT01P)

 Control-R™ Wireless Demand Recirculation Kit:

1 Push Button, 1 Temperature Sensor and Pump (Part # RWMKT03P)

(Images for illustrative

purposes only)

PAGE 1
Grundfos GTK03 Pump Kit Part Number: GTK03 Kit Contents  Grundfos 15-55 pump and internal check valve  6 Ft (2 m) BX conduit pre-wired to pump (includes in-line 4 Amp glass fuse)  Flange kit  Rinnai Circ-Logic™ Manual Specifications Housing Material Stainless Steel with Check Valve Flow Range 20 GPM Head Range 17 Ft (5 m) Max Liquid Temperature 150° F (65° C) Maximum System Pressure 145 PSI Input Voltage 115 V Frequency 60 Hz Max Amperage 0.
PAGE 2
GTK03 Pump Kit Part Number: GTK03 Pressure Drop (Foot of Head) Pump Performance Curve Flow Rate (GPM) Electrical Diagram Components within dashed line are inside water heater cabinet.