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International Comfort Products 1175187 2-Stage DSI Gas Valve 36H54-470

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Special Price $162.14 Regular Price $186.47
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SKU
1175187
The International Comfort Products 1175187 2-stage DSI Gas Valve is critical for most gas-fired HVAC applications. It controls the supply of gas to the burner in an efficient manner while ensuring safe operations. The two stages ensure that it can maintain control over the heating output by manipulating the supply of gas according to the demand, which eventually brings about energy efficiency and enhances comfort levels for residential as well as commercial usages.
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HVAC Controls, HVAC Valve
Manufacturer:
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Specifications

  • Type: Gas Valve
  • Stage: 2

Product Overview:
Functioning as a fuel-control component for gas-fired heating equipment, the International Comfort Products 1175187 2-Stage DSI Gas Valve 36H54-470 manages the supply of gas required by the burner assembly. Its 2-stage configuration is designed for heating equipment that uses staged fuel delivery, while the DSI designation identifies its application within a direct spark ignition system. The valve forms part of the equipment's gas train and interfaces with the burner and ignition system as part of the overall fuel-control arrangement.

Two-Stage Gas Flow Control:
Fuel delivery is divided between two operating stages to correspond with the heating equipment's required burner operation. The valve responds to the equipment's control sequence to regulate gas delivery through the gas train. Its two-stage configuration allows the applicable heating system to control gas flow according to the operating demand established by the equipment controls.

Direct Spark Ignition Integration:
Within a DSI-equipped heating system, the gas valve operates as part of the ignition and burner control sequence. The ignition system establishes the spark required for burner ignition while the gas valve controls fuel delivery to the burner. This coordinated operation allows gas flow to be managed as part of the equipment's automated heating cycle.

Replacement Guidelines:
Replacement of the International Comfort Products 1175187 2-Stage DSI Gas Valve 36H54-470 may be appropriate when the gas valve shows physical deterioration, leakage, or damage affecting the assembly. Indicators may include a cracked valve body, damaged connection points, corrosion, or persistent leakage around the assembly. Selection should be based on the existing valve identification and the equipment's specified requirements.

Common Failure Symptoms:

  • Main burner fails to ignite during an active heating cycle.
  • Burner operation becomes inconsistent due to irregular gas delivery.
  • Gas flow does not respond properly to the equipment's control sequence.
  • Gas flow continues after the heating cycle has ended.
  • Visible physical damage or leakage is present around the valve assembly.

Equipment Compatibility:
The International Comfort Products 1175187 2-Stage DSI Gas Valve 36H54-470 is identified as a two-stage gas valve for direct spark ignition equipment. Verify the equipment model, existing gas valve identification, DSI system configuration, fuel requirements, and applicable manufacturer documentation before selecting the valve.

Technical Specifications:
Brand: International Comfort Products
Part Number: 1175187
Product Type: 2-Stage Gas Valve
Valve Model: 36H54-470
Ignition System: Direct Spark Ignition (DSI)

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Product Questions (7)
Customer Questions
What maintenance is required for the International Comfort Products 1175187 Gas Valve?

Regularly inspect the gas valve and connections for leaks, corrosion, or debris. Ensure wiring is secure and clean. Test proper operation of both stages to maintain safe and efficient gas flow, and follow all safety precautions when handling gas components.

What are common issues with the International Comfort Products 1175187 Gas Valve?

  • Valve fails to ignite or operate.
  • Gas leaks from connections or seals.
  • Intermittent or inconsistent operation.
  • Electrical connection problems affecting functionality.

What is the International Comfort Products 1175187 gas valve used for?

The gas valve is used in gas-fired heating equipment to manage fuel delivery between the gas supply system and the burner assembly. It coordinates fuel availability with the equipment's heating sequence.

How does this gas valve control fuel delivery?

The valve regulates the passage of gas through the equipment's fuel system according to the operating demand.

Why does the gas valve have two operating stages?

The two-stage design allows the heating equipment to adjust fuel delivery to match different levels of heating demand.

How does the gas valve work with the heating controls?

The valve responds to signals from the equipment controls to provide the fuel-flow condition required for the active heating stage.

How does the gas valve support the heating sequence?

The valve coordinates fuel availability with the equipment's operating sequence so the burner receives the required gas during operation.

Installation Steps

Step 1: Turn off gas supply and electrical power to the HVAC system.

Step 2: Remove the old gas valve carefully, avoiding damage to piping.

Step 3: Mount the new valve in the correct orientation.

Step 4: Connect wiring according to the specifications, ensuring proper terminals.

Step 5: Inspect all connections for leaks using a soap-and-water solution.

Step 6: Restore gas and power, then test both heating stages for proper operation.