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Resideo WT8840A1500 Water Heater Gas Valve 2" Spud 4" WC 55°F-155°F

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Special Price $199.61 Regular Price $229.55
In stock
SKU
WT8840A1500
The Resideo WT8840A1500 Water Heater Gas Valve is a crucial part that enables correct control of the gas in water heaters. This valve plays a critical role of regulating the flow of natural gas to the water heater as a way of standardizing the working of the automobile. The operating pressure of the unit is 4” WC and it has a 2” spud connector. It can be used for a number of water heating applications due to its operating temperature of between 55°F and 155°F. Measuring capabilities of up to 75 BTU/h, this gas valve controls burner cycling for optimum fuel economy and steady water temperature. It provides a long lasting and durable performance and it is easy to incorporate in the existing systems due to its half inch connector.
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HVAC Controls & Electrical, Valves
Manufacturer:
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Specifications

  • Application: Gas Control
  • Capacity: 75 BTU/h
  • Type of Fuel: Natural Gas
  • Connection Size: 1/2"
  • Pressure: 4" WC
  • Temperature Range: 55°F-155°F
Manufacturer Name: Resideo
Product Number: WT8840A1500
OEM Part Number: WT8840A1500
Product Description: Wtrhtrgasvlv55/155F 2"Spud4"Wc
Weight:2.21lbs/1002.44g

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Product Questions (2)
Customer Questions
What maintenance is required for the Resideo WT8840A1500 Water Heater Gas Valve?

Inspect valve and connections annually for gas leaks, corrosion, or damage to ensure safe operation. Clean exterior and verify pilot and thermocouple function for accurate ignition and control. Have to check gas pressure and safety controls regularly.

What are common issues with the Resideo WT8840A1500 Water Heater Gas Valve?

  • Gas valve failure to open or close properly.
  • Pilot light not staying lit.
  • Inconsistent water heating temperature.
  • Ignition failure or delayed ignition.
  • Gas leakage or pressure irregularities.
  • Thermostat sensing errors affecting performance.

Installation Steps

Step 1: Turn off gas supply and power; allow unit to cool.

Step 2: Disconnect old valve and label thermocouple/wiring.

Step 3: Remove spud connection and clean the threads.

Step 4: Install new valve and tighten securely.

Step 5: Reconnect thermocouple and gas line; check alignment.

Step 6: Restore gas, leak-test with soap solution; check ignition.

Step 7: Check gas type and valve compatibility before installation.

Step 8: Ensure proper ventilation and never use open flame for leak check.