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Robertshaw 710-205 1/2" Natural Gas Snap Action Hydraulic Gas Valve 36" Capillary 58°F-90°F

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Special Price $169.91 Regular Price $195.39
In stock
SKU
710-205

The Robertshaw 710-205 1/2" Natural Gas Snap Action Hydraulic Gas Valve functions to manage gas distribution in heating components including furnaces, boilers and commercial cooking appliances. The valve operates with accuracy through its 36" capillary and temperature range between 58°F to 90°F. The snap-action mechanism gives immediate reaction to control gas flow thereby improving safety alongside operational efficiency. This valve provides durability through its design to maintain steady performance minimizing operational interruptions and maximizing energy efficiency in HVAC systems alongside commercial heating equipment.

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HVAC Controls & Electrical, Valves
Manufacturer:
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Product Overview:
Functions as a gas-control component for heating equipment using natural gas. The Robertshaw 710-205 1/2" Natural Gas Valve Snap Action 58°F-90°F 36" CAP regulates fuel passage in response to temperature conditions. The 1/2" specification identifies the main pipe connection size, while the 58°F-90°F range and 36" CAP identify the temperature range and capillary length associated with the valve.

Hydraulic Valve Response:
The hydraulic mechanism responds to changing temperature conditions and produces a defined snap-action response. This changes the valve position to regulate the natural gas pathway according to the sensed temperature condition.

Capillary Sensing Integration:
The 36" capillary provides the connection between the temperature-sensing area and the hydraulic valve mechanism. Temperature changes transferred through this sensing arrangement influence the valve's fuel-control response.

Replacement Guidelines:
Replacement may be appropriate when the Robertshaw 710-205 develops physical damage affecting the valve body, connections, or capillary assembly. Damaged capillary tubing, damaged connection threads, or a cracked valve housing may indicate the need for replacement.

Common Failure Symptoms:

  • Gas leakage around the 1/2" connection area.
  • Kinks, flattening, or breaks along the 36" capillary.
  • Gas odor detected near the valve body.
  • Cracking or visible damage on the valve housing.
  • Damaged or stripped 1/2" connection threads.

Equipment Compatibility:
The Robertshaw 710-205 1/2" Natural Gas Valve Snap Action 58°F-90°F 36" CAP is specified for natural gas applications requiring a 1/2" main pipe connection, snap-action hydraulic operation, 58°F-90°F temperature range, and 36" capillary. Verify the equipment model, fuel type, and applicable manufacturer part information before selecting the valve.

Technical Specifications:
Brand: Robertshaw
Part Number: 710-205
Main Pipe Size: 1/2"
Fuel Type: Natural Gas
Valve Operation: Snap Action Hydraulic
Capillary Length: 36"
Temperature Range: 58°F to 90°F

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Product Questions (7)
Customer Questions
What maintenance is required for the Robertshaw 710-205 Gas Valve?

Regularly inspect the valve and capillary tube for leaks or damage. Clean any debris from the valve body to ensure smooth operation. Check connections and mounting for stability. Always shut off the gas supply before performing maintenance to ensure safety.

What are common issues with the Robertshaw 710-205 Gas Valve?

  • Valve failing to open or close properly.
  • Gas leaks around connections or seals.
  • Inaccurate temperature response.
  • Capillary tube kinks or damage affecting operation.

How does the Robertshaw 710-205 control fuel flow in heating equipment?

The Robertshaw 710-205 controls natural gas flow in response to temperature conditions within the heating system.

How does the hydraulic sensing system influence the 710-205 valve?

The hydraulic sensing system transfers temperature changes to the valve mechanism, producing the corresponding fuel-control response.

What role does the capillary play in the Robertshaw 710-205?

The capillary provides the connection between the temperature-sensing area and the hydraulic valve mechanism.

How does snap-action operation affect the valve's fuel-control response?

Snap-action operation provides a defined opening or closing response as the sensed temperature reaches the applicable control condition.

What maintenance considerations apply to the Robertshaw 710-205 gas valve?

The valve and its sensing components should be checked as part of appropriate heating-equipment service to identify conditions that could affect temperature sensing or fuel-control operation. Follow the equipment manufacturer's servicing requirements for specific maintenance procedures.

Installation Steps

Step 1: Turn off power and gas supply to the HVAC unit for safety.

Step 2: Open the access panel to reach the gas valve and capillary tube.

Step 3: Disconnect the old gas valve, carefully noting the wiring and gas line connections.

Step 4: Install the new gas valve, reconnecting the gas lines and wiring securely.

Step 5: Position the capillary without kinks and ensure proper temperature sensor placement.

Step 6: Close the access panel and restore power and gas supply.

Step 7: Test the HVAC unit to confirm proper operation and no leaks.