The Mixing Expansion Module 440 is designed to operate a mixing device within a hydronic heating system as part of a tekmarNet® control system. It is capable of controlling a mixed system pump and a 24 V floating action mixing valve or a wet rotor circulator for variable speed injection.
CSA C US certified for use in USA and Canada
Powered 24 V (ac) floating action output
Powered system pump
Powered variable speed output
tekmarNet® 4 compatible
| Control | Microprocessor control. This is not a safety (limit) control |
| Packaged weight | 1.2 lb. (540 g) |
| Dimensions | 3-5/8" H x 5-3/8" W x 9/16" D (92 x 137 x 14 mm) |
| Approvals | CSA C US, meets Class B: ICES & FCC Part 15 |
| Ambient conditions | Indoor use only, 32 to 122°F (0 to 50°C), RH ≤80% to 88°F (31°C), down to 50% above 104°F (40°C), Altitude <6560 ft. (2000 m), Installation Category II, Pollution Degree |
| Power supply | Provided by interconnected tekmarNet Zone Manager |
| System Pump | 115 V (ac) 5 A |
| Variable pump | 115 V (ac) 2.5 A |
| Combined load | 7.5 A max (System and Variable Speed Pump) |
| Floating action output | 24 V (ac) 8 VA max |
| Sensor(s) | NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 |
| -Included | Universal Sensor 082 |
| Warranty | Limited 3 Year Warranty |
In most cases the current version of literature will work, otherwise use the piece of literature most closely matching the date code of your product.
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Product Submittal |
Jan 2011 - Present |
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Installation & Operation Manual |
Jun 2005 - Present |
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Job Record |
Aug 2009 - Present |
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Wiring Brochure |
Dec 2008 - Present |

Power Manager
345

Power Manager
346

Universal Reset Module
422

Universal Reset Module
423

3-Way Mixing Valve
710

3-Way Mixing Valve
711

3-Way Mixing Valve
712

3-Way Mixing Valve
713

3-Way Mixing Valve
714

4-Way Mixing Valve
720

4-Way Mixing Valve
721

4-Way Mixing Valve
722

4-Way Mixing Valve
723

4-Way Mixing Valve
724

Actuating Motor
741