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NAVIEN 30008571A Flow Sensor T701-128R NPE-A

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8  Reviews Add Your Review
Special Price $47.95 Regular Price $62.33
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SKU
30008571A
The Navien Tankless Water Heaters 30008571A Flow Sensor T701-128R NPE-A is a component that is incorporated in NAVIEN’s NPE-A tankless water heaters. This flow sensor used to measure water flow at temperature and pressure between 37.8 to 60°C and 15 to 150 PSI respectively. It is suitable for precise control of water heating, it increases the efficiency of energy consumption and increases the service life of equipment. That reliability reduces energy consumption and provides users with a constant hot water supply. Regardless of whether the flow sensor is being used for new installations or replacements, it is designed to provide modern HVAC systems with the reliability, efficiency, and convenience that is required.
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Heater, Navien Water Heater Parts
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Specifications

  • Temperature Range: 37.8-60°C
  • Pressure Range: 15-150 PSI
  • Weight: 0.12lbs
  • Type: Flow Sensor
Integrated within the water circulation assembly of tankless water heating equipment, the Navien 30008571A Flow Sensor monitors water movement conditions and provides input to the equipment control system. It supports the appliance's operating response by detecting flow activity and allowing the control system to coordinate heating functions according to water usage demand. The T701-128R reference further identifies the sensor configuration associated with the NPE-A series application.

Sensor Assembly:
The flow sensor is installed within the water flow path of the equipment. Its sensor assembly is positioned to detect changes in water movement within the associated system.

Flow Detection Arrangement:
The sensor assembly responds to water movement passing through the flow path. Its placement within the assembly allows the flow-sensing component to interact with the circulating water during equipment operation.

Replacement Guidelines:
Replacement of the NAVIEN 30008571A Flow Sensor T701-128R is necessary when visible damage, deterioration, or wear affects the sensor's intended flow-detection operation. Inspect the flow sensor and related connection areas for conditions that could affect proper sensing within the equipment. Replace the component when it can no longer maintain its intended sensing operation within the system.

Common Failure Symptoms:

  • Water-demand response becomes inconsistent.
  • The unit does not recognize flow as expected.
  • Heating operation begins intermittently.
  • Equipment response changes unexpectedly.
  • Hot-water operation becomes inconsistent.

Equipment Compatibility:
The Navien 30008571A is identified as a flow sensor for applicable NPE-A tankless water heating equipment. Verify the equipment model number, existing component identification, and manufacturer's parts documentation before purchasing.

Technical Specifications:
Brand: Navien
Part Number: 30008571A
Product Type: Flow Sensor
Sensor Reference: T701-128R
Application Series: NPE-A

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Product Questions (10)
Customer Questions
How does the flow sensor impact energy efficiency in a tankless water heater?

By activating the heater only when there's a demand for hot water, the flow sensor maximizes energy efficiency by eliminating the need to constantly maintain water temperature, as in traditional tank water heaters.

Is the flow sensor compatible with all tankless water heater models?

Flow sensors are specifically designed for compatibility with certain tankless water heater models. It's important to use the correct flow sensor for your specific unit.

 

Can the flow sensor adapt to changes in water pressure in my plumbing system?

Flow sensors are designed to maintain accurate flow measurements within specified pressure ranges. Extreme variations in water pressure could affect their performance and may require adjustment or maintenance.

What maintenance is required for the Navien Tankless Water Heaters 30008571A Flow Sensor?

Inspect the flow sensor regularly for mineral buildup and debris that may affect accurate water flow detection. Clean or descale it during routine tankless heater maintenance to ensure proper performance. Check wiring and connectors for corrosion or looseness to prevent signal issues. Always shut off power and water supply before servicing for safety.

What are common issues with the Navien Tankless Water Heaters 30008571A Flow Sensor ?

  • Inaccurate water flow readings.
  • Intermittent system shutoffs.
  • Sensor clogging due to mineral deposits.
  • Electrical connection faults causing errors.

What does the NAVIEN 30008571A flow sensor detect?

The NAVIEN 30008571A detects water movement through compatible NPE-A tankless water heater equipment.

When does the NAVIEN 30008571A flow sensor become active?

The flow sensor responds when water begins moving through the heater, indicating that water use is occurring within the system.

What type of signal does the NAVIEN 30008571A provide?

The NAVIEN 30008571A provides a flow-related electrical input that the water heater's control system can interpret during operation.

Why does a tankless water heater need a flow sensor?

A tankless water heater uses flow detection to recognize water movement and determine when the equipment needs to respond to an active water demand.

How does the NAVIEN 30008571A relate to the heater's control system?

The NAVIEN 30008571A serves as a sensing input to the control system, providing information about water movement for the equipment's operating sequence.

Installation Steps

Step1: Turn off power and water supply, then relieve system pressure before starting.

Step2: Open access panel and locate the old flow sensor on the NPE-A unit.

Step3: Disconnect wiring and remove the old sensor from the line.

Step4: Install the new flow sensor, reconnect wiring, restore water and power, and test proper flow detection.

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