Grundfos 99412493 COMFORT 10-16 T PM BU/LC Recirculating Domestic Hot Water Pump
Suitable For:
- HVAC: Heating
- Plumbing: Hot Water Recirculation
- Residential heating
Features & Benefits:
Comfort is a compact and energy-efficient hot-water recirculation pump designed to deliver instant hot water to all faucets in private homes. The pump is easily installed and secures silent operation.
- Continuous 100 % mode for commissioning and temperature control mode to save heat energy.
- Quick and simple electrical installation.
- Dry-running protection protects the pump against dry running during startup and normal operation.
- Easy-to-clean and lime-resistant spheric rotor.
- Noiseless operation due to liquid-lubricated bearing.
- No leakage risk due to a static seal.
- Easy maintenance and cleaning through the easy-to-separate pump head.
- No additional motor protection necessary due to integrated motor electronics.
Product Overview:
The Grundfos COMFORT 10-16 T PM BU/LC pumps are designed for recirculation of domestic hot water.
The pumps have a corrosion-resistant pump housing suitable for drinking water, and are powered by a single-phase, high-efficiency ECM with permanent-magnet rotor.
The pump has an integrated temperature control mode that controls the circulation of domestic hot water based on the liquid temperature measured in the pump. The temperature control mode uses an integrated temperature sensor to switch the pump on and off based on preset temperature limits. These dynamic temperature limits are set automatically. Manual setting is not needed. Additionally, the pump can be set to continuous 100 % mode.
COMFORT 10-16 T PM BU/LC has a built-in isolating valve and a non-return valve. This ensures that maintenance can be carried out without draining the system. The non-return valve also prevents reversed flow during operation.
Specifications:
Technical:
| Speed Number | 1 |
| Head max | 5.25 ft |
| TF class | 95 |
| Approvals on nameplate | UL,CSA |
Materials:
| Pump housing | Ecobrass |
| Impeller | Stainless steel, EPDM, PPO, PTFE, Graphit |
Installation:
| Maximum operating pressure | 145.04 psi |
| Flange standard | USA Threaded |
| Pipe connection | 1-1/4" Union NPT |
| Pressure stage | 10 |
| Port-to-port length | 3 1/8 in |
Liquid:
| Pumped liquid | Water |
| Liquid temperature range | 35.6 .. 203 °F |
| Selected liquid temperature | 140 °F |
| Density | 61.35 lb/ft³ |
Electrical Data
| Max. power input | 6 W |
| Main frequency | 60 Hz |
| Rated voltage | 115-230 V |
| Current in speed 3 | 0.1 A |
| Capacitor size - run | 0.6 µF |
| Enclosure class (IEC 34-5) | IP44 |
| Insulation class (IEC 85) | F |
| Built-in motor protection | NONE |
| Thermal protec | Impedance protected |
| Cable type | Connecting cord with plug |
| Type of cable plug | NEMA 1-15P |
Others
| Net weight | 2.6 lb |
| Gross weight | 3.79 lb |
| Shipping volume | 0.12 ft³ |
| Country of origin | DE |
| Custom tariff no. | 8413.70.00.21 |
Technical Downloads:
- Grundfos 99412493: Data Sheet
- Grundfos 99412493: Installation & Operation Instructions
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