Grundfos 99412493 COMFORT 10-16 T PM BU/LC Hot Water Recirculation Pump.

Product Overview

The Grundfos COMFORT 10-16 T PM BU/LC is a high-efficiency domestic hot water recirculation pump designed to provide instant hot water to fixtures while reducing water waste. With an Ecobrass housing and a permanent-magnet ECM motor, this compact unit delivers silent operation, low energy consumption, and long-term reliability. The integrated temperature-control mode activates circulation based on measured water temperature, while a continuous 100% mode is available for commissioning. Built-in isolating and non-return valves simplify service and help prevent reverse flow.

Features & Benefits

• Instant hot water delivery with reduced wait times and water waste
• Ultra-efficient ECM motor with permanent-magnet rotor
• Corrosion-resistant Ecobrass pump housing for potable water
• Automatic temperature-control mode for energy savings
• Continuous 100% mode for system setup and full-time circulation
• Built-in isolating and non-return valves for easy service and flow protection
• Dry-running protection during startup and operation
• Quiet, liquid-lubricated bearing system
• Leak-free static seal design
• Lime-resistant spherical rotor for easy maintenance
• No external motor protection required

Specifications

Technical Performance
Speed options: 1
Maximum head: 5.25 ft
TF Class: 95
Approvals: UL, CSA

Materials
Pump housing: Ecobrass
Impeller materials: Stainless steel, EPDM, PPO, PTFE, Graphite

Installation Requirements
Maximum operating pressure: 145.04 psi
Flange standard: USA Threaded
Pipe connection: 1-1/4" Union NPT
Pressure rating: PN 10
Port-to-port length: 3 1/8 in

Liquid Handling
Liquid: Water
Temperature range: 35.6°F – 203°F
Selected rating temperature: 140°F
Liquid density: 61.35 lb/ft³

Electrical Details
Max power input: 6 W
Voltage: 115–230 V
Frequency: 60 Hz
Current: 0.1 A
Capacitor: 0.6 μF
Enclosure class: IP44

Technical Downloads:

• Grundfos 99412493: Data Sheet
• Grundfos 99412493: Installation & Operation Instructions