Tekmar® Thermostat, 24 VAC, Programmability: 7 day Program, Hardwired Power Source, 2 Heat/1 Cool Stages, Relay Switch, 10 kilo-ohm at 77 deg F NTC Thermistor Sensing Element, 32 to 122 deg F Ambient, Less Than or Equal to 90% RH Non-Condensing Humidity, Vertical Mounting, ABS or PC Plastic, White, Dimensions: 5 in H x 3-1/4 in W x 15/16 in D
Manufacturer: Watts Water Technologies
Product Features
- The heating stages can be hydronic, forced air or a one-stage heat pump
- The cooling stage is either an air conditioner or heat pump
- There are 2-auxiliary sensor inputs available to measure room, floor, outdoor, coil or duct temperature
- The optional floor sensor allows precise heating of radiant floors by controlling the floor temperature and maintaining the desired room air temperature
- Relative humidity level can be measured and controlled using the built-in humidity sensor
- The large touchscreen allows you to easily adjust 7 days programmable schedules and room temperature to optimize comfort and energy savings
- The 553 can connect to TekmarNet controls using two or four wires or it can operate as a stand-alone device
- Air group master or member, auto heating cycle, away scene key, backlight, daylight savings time, exercising, freeze protection, heat/cool priority
- Network schedule master or member, optimum start, outdoor and floor temperature display, programmable schedule
- Radiant floor heating and cooling, relative humidity control, room temperature limiting, temporary hold
- Touchscreen technology, warm weather shut down, zone post-purge, zone synchronization, TekmarNet communication compatible
- Micro-processor control, indoor use only ambient conditions
- Compatible with chlorinated swimming pool environments, do not use in presence of ammonia (animal barns), methanol, ethanol, acetone environmental
- 1.8 VA standby, NEC/CEC class 2 at 24 VAC
- 2 A at 24 VAC relay
- NEMA Type 1 enclosure
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