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Robertshaw KA-1119-96 Well Thermostat

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5 5 7
7  Reviews Add Your Review
Special Price $84.23 Regular Price $96.86
In stock
SKU
KA-1119-96

The Robertshaw KA-1119-96  Well Thermostats are a critical component in HVAC systems, particularly heating equipment, that regulates and maintains desired temperatures. The Robertshaw KA-1119-96 Well Thermostat is intended to be inserted into a well or mounting pocket within the heating equipment, allowing it to precisely measure the temperature of the surrounding environment. It is commonly used in boilers, furnaces, and water heaters to provide efficient and consistent heating performance. The Robertshaw KA-1119-96 Well Thermostat provides improved comfort, energy savings, and an extended equipment lifespan. Overall, this thermostat plays an important role in optimizing the operation of heating systems through its offerings.

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HVAC Controls & Electrical, Control & Sensing Devices
Manufacturer:
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Product Overview:
Regulates temperature in equipment requiring a well-mounted electric thermostat with remote capillary sensing. The Robertshaw KA-1119-96 is an OEM 5302 Series electric thermostat that uses a 96-inch capillary tube to connect its temperature-sensing assembly with the thermostat mechanism. It supports temperature-responsive switching in applications where the sensing element is positioned within a designated well.

Temperature Sensing:
Uses a capillary sensing arrangement to detect temperature changes at the designated sensing location. The 96-inch capillary connects the sensing element to the thermostat mechanism, allowing temperature changes to influence the control assembly. This arrangement supports temperature monitoring in equipment designed for well-mounted sensing.

Electrical Temperature Control:
Operates as an electric thermostat, using temperature-responsive switching to control a connected electrical circuit. Its switching function supports automatic equipment operation according to the thermostat's temperature response. The electrical ratings and operating characteristics should be confirmed from the manufacturer's documentation for the specific installation.

Replacement Guidelines:
Replace the Robertshaw KA-1119-96 Well Thermostat when functional testing confirms that it no longer responds reliably to temperature changes or switches the connected electrical circuit as intended. Replacement may also be necessary if the capillary, sensing assembly, or thermostat housing shows physical damage or deterioration. Have a qualified technician handle electrical testing and replacement.

Common Failure Symptoms:

  • Heating continues beyond the set temperature.
  • Heating does not start when temperature demand is present.
  • Temperature regulation becomes inconsistent.
  • Electrical switching becomes intermittent.
  • The thermostat does not respond to temperature changes.
  • The capillary tube shows visible damage.

Equipment Compatibility:
The Robertshaw KA-1119-96 is an OEM thermostat from the electric thermostat family. Robertshaw identifies Star Manufacturing 2T-46551 as the part number this thermostat replaces. Confirm the equipment's original thermostat designation and installation requirements using the manufacturer's parts documentation before installation.

Technical Specifications:
Brand: Robertshaw
Part Number: KA-1119-96
Component Type: Well Thermostat

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Product Questions (12)
Customer Questions
What maintenance is required for the Robertshaw KA-1119-96 Well Thermostat?

Regularly check the thermostat for dust and corrosion, ensuring the contacts are clean. Test its calibration to maintain accurate temperature control. Tighten mounting and wiring connections as needed. Always disconnect power before performing maintenance for safety.

What are common issues with the Robertshaw KA-1119-96 Well Thermostat?

  • Inaccurate temperature readings.
  • Failure to turn equipment on or off.
  • Loose or corroded electrical connections.
  • Mechanical sticking or sensor malfunction.

What makes the KA-1119-96 different from a standard room thermostat?

The KA-1119-96 senses temperature at a designated equipment location through its well-based sensing arrangement rather than monitoring general air temperature in an occupied space.

How does the KA-1119-96 respond when the sensed temperature changes?

Its sensing assembly responds to changing thermal conditions and initiates movement within the thermostat mechanism.

What happens inside the thermostat after a thermal change is detected?

The internal mechanism responds to the thermal change and moves toward its defined operating position.

How does the KA-1119-96 affect an electrical circuit?

Its contact mechanism changes position to establish or interrupt the applicable circuit path.

What role does the KA-1119-96 serve in an equipment control assembly?

The KA-1119-96 provides temperature-responsive control action that can influence the electrical operation of connected equipment functions.

What is the Robertshaw KA-1119-96 Well Thermostat used for?

It provides temperature-responsive electrical control in equipment designed for well-mounted thermostat sensing.

What is the purpose of the 96-inch capillary tube?

The capillary connects the sensing assembly to the thermostat mechanism, allowing temperature changes at the sensing location to influence electrical switching.

How does a well thermostat differ from a standard surface-mounted thermostat?

A well thermostat positions its sensing element within a designated well in the equipment, rather than sensing temperature directly from an exposed surface.

What can cause inconsistent operation in a well thermostat?

Possible causes include deterioration of the sensing assembly, capillary damage, or unreliable electrical switching. Testing is needed to identify the actual fault.

Which Star Manufacturing part number does the Robertshaw thermostat replace?

Robertshaw identifies Star Manufacturing part number 2T-46551 as the replacement reference for this thermostat.

Installation Steps

Step1: Turn off electrical power at the breaker and shut off the gas supply.

Step2: Allow the system to cool; drain fluid from the well if required.

Step3: Remove the old thermostat and capillary bulb from the well.

Step4: Insert the new sensing bulb fully into the existing well.

Step5: Secure the mounting bracket firmly and tighten all screws.

Step6: Reconnect wiring per the diagram; ensure tight, insulated terminals.

Step7: Restore power, check for leaks, and test setpoint operation.