
Tekmar Controls 153 Control
The Tekmar Controls 153 Control is a versatile, microprocessor-based mixing setpoint control designed for precise floating action output. Engineered to drive actuating motors for valves or dampers, this unit maintains a constant supply water or air temperature across a broad range from -40 to 239°F. For hydronic heating professionals, the 153 is a standard for implementing boiler return protection when paired with an optional return sensor, effectively preventing near-boiler condensation in non-condensing cast iron systems. The floating action mixing logic utilizes an adjustable throttling range (16 to 67°F) to stabilize HVAC mixing valve control, ensuring smooth modulation without constant hunting. Powered by 24Vac/dc, the NEMA 1 rated enclosure features a clear digital display for real-time monitoring of supply and return temperatures. Its ten-year memory backup preserves site-specific programming during power cycles, making it a reliable choice for critical setpoint temperature control in primary-secondary piping or radiant distribution loops.
Key Benefits
- Precision Floating Action: Optimizes mixing valve actuator performance with dry contact open and close relays for steady modulation.
- Enhanced Boiler Protection: When equipped with a return sensor, it automatically constrains the valve to maintain minimum boiler return temperatures.
- Robust Environmental Range: Operates efficiently in temperatures from -20 to 120°F and monitors water/air setpoints as low as -40°F.
- Flexible Power Integration: Compatible with both 24V AC and 24V DC systems, facilitating easy integration into various HVAC control circuits.
- Data Integrity: Integrated 10-year memory backup ensures all custom throttling and setpoint parameters are retained without battery reliance.
Common Questions
How do I set the throttling range on the Tekmar 153?
Access the programming menu by pressing all three buttons simultaneously; use the Item button to navigate to the Throttling pointer. A wider range is recommended for faster-acting motors to prevent short-cycling the floating output.
Can this control protect my boiler from thermal shock?
Yes. By installing a second 10k NTC thermistor on the return line, the 153 acts as a boiler protection control, closing the mixing valve if return temperatures drop below your configured setpoint.
What does 'Err 1' mean on the display?
This indicates a sensor fault on the primary supply sensor. It typically means the sensor is open-circuited, shorted, or the temperature is outside the -85 to 302°F detection range.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $439.67
-65%$439.67
$153.88Tekmar Controls 153 Control
The Tekmar Controls 153 Control is a versatile, microprocessor-based mixing setpoint control designed for precise floating action output. Engineered to drive actuating motors for valves or dampers, this unit maintains a constant supply water or air temperature across a broad range from -40 to 239°F. For hydronic heating professionals, the 153 is a standard for implementing boiler return protection when paired with an optional return sensor, effectively preventing near-boiler condensation in non-condensing cast iron systems. The floating action mixing logic utilizes an adjustable throttling range (16 to 67°F) to stabilize HVAC mixing valve control, ensuring smooth modulation without constant hunting. Powered by 24Vac/dc, the NEMA 1 rated enclosure features a clear digital display for real-time monitoring of supply and return temperatures. Its ten-year memory backup preserves site-specific programming during power cycles, making it a reliable choice for critical setpoint temperature control in primary-secondary piping or radiant distribution loops.
Key Benefits
- Precision Floating Action: Optimizes mixing valve actuator performance with dry contact open and close relays for steady modulation.
- Enhanced Boiler Protection: When equipped with a return sensor, it automatically constrains the valve to maintain minimum boiler return temperatures.
- Robust Environmental Range: Operates efficiently in temperatures from -20 to 120°F and monitors water/air setpoints as low as -40°F.
- Flexible Power Integration: Compatible with both 24V AC and 24V DC systems, facilitating easy integration into various HVAC control circuits.
- Data Integrity: Integrated 10-year memory backup ensures all custom throttling and setpoint parameters are retained without battery reliance.
Common Questions
How do I set the throttling range on the Tekmar 153?
Access the programming menu by pressing all three buttons simultaneously; use the Item button to navigate to the Throttling pointer. A wider range is recommended for faster-acting motors to prevent short-cycling the floating output.
Can this control protect my boiler from thermal shock?
Yes. By installing a second 10k NTC thermistor on the return line, the 153 acts as a boiler protection control, closing the mixing valve if return temperatures drop below your configured setpoint.
What does 'Err 1' mean on the display?
This indicates a sensor fault on the primary supply sensor. It typically means the sensor is open-circuited, shorted, or the temperature is outside the -85 to 302°F detection range.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
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Description
The Tekmar Controls 153 Control is a versatile, microprocessor-based mixing setpoint control designed for precise floating action output. Engineered to drive actuating motors for valves or dampers, this unit maintains a constant supply water or air temperature across a broad range from -40 to 239°F. For hydronic heating professionals, the 153 is a standard for implementing boiler return protection when paired with an optional return sensor, effectively preventing near-boiler condensation in non-condensing cast iron systems. The floating action mixing logic utilizes an adjustable throttling range (16 to 67°F) to stabilize HVAC mixing valve control, ensuring smooth modulation without constant hunting. Powered by 24Vac/dc, the NEMA 1 rated enclosure features a clear digital display for real-time monitoring of supply and return temperatures. Its ten-year memory backup preserves site-specific programming during power cycles, making it a reliable choice for critical setpoint temperature control in primary-secondary piping or radiant distribution loops.
Key Benefits
- Precision Floating Action: Optimizes mixing valve actuator performance with dry contact open and close relays for steady modulation.
- Enhanced Boiler Protection: When equipped with a return sensor, it automatically constrains the valve to maintain minimum boiler return temperatures.
- Robust Environmental Range: Operates efficiently in temperatures from -20 to 120°F and monitors water/air setpoints as low as -40°F.
- Flexible Power Integration: Compatible with both 24V AC and 24V DC systems, facilitating easy integration into various HVAC control circuits.
- Data Integrity: Integrated 10-year memory backup ensures all custom throttling and setpoint parameters are retained without battery reliance.
Common Questions
How do I set the throttling range on the Tekmar 153?
Access the programming menu by pressing all three buttons simultaneously; use the Item button to navigate to the Throttling pointer. A wider range is recommended for faster-acting motors to prevent short-cycling the floating output.
Can this control protect my boiler from thermal shock?
Yes. By installing a second 10k NTC thermistor on the return line, the 153 acts as a boiler protection control, closing the mixing valve if return temperatures drop below your configured setpoint.
What does 'Err 1' mean on the display?
This indicates a sensor fault on the primary supply sensor. It typically means the sensor is open-circuited, shorted, or the temperature is outside the -85 to 302°F detection range.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












