Facebook Pixel
Sign-Up Bonus
Get 500 Reward Points instantly when you join.
Redeem Instantly
50 points = $1 off at checkout.
Earn as You Shop
$1 spent = 1 point every time you order.
Member Perks
Unlock exclusive member-only savings and offers.

Register and Earn 500 Reward Points
Toggle Nav
Search
Toggle Nav
Join Our Loyalty Program
main product photo

Lochinvar & A.O. Smith VAL3403 Gas Valve Assembly VR8303M4897 100172016

Rating:
5 5 1
1  Review Add Your Review
Special Price $248.09 Regular Price $275.38
In stock
SKU
VAL3403
The Lochinvar & A.O. Smith VAL3403 Gas Valve Assembly is a high-quality replacement part that will give safe and efficient control of the gas to the burner of HVAC systems. This valve is designed to fit select Lochinvar and A.O. Smith water heaters and boilers and enhances system efficiency and durability. It is accurately controlled to increase energy conservation, decrease the use of gas, and increase safety as it eliminates gas emission. Perfect for keeping heating smooth, this gas valve assembly is crucial for keeping equipment efficient and consistent in their performance.
Add to Wish List
HVAC Controls & Electrical, Valves
Manufacturer:
https://www.partshnc.com/media/catalog/product/v/a/val3403.jpg

Specifications

  • Type: Gas Valve Assembly
    Manufacturer Name: Lochinvar & A.O. Smith
    Product Number: VAL3403
    OEM Part Number: VAL3403
    Product Description: Valve Gas 100172016 Vr8303m4897
    Weight:3lbs/1360.78g

    Choose the best HVAC equipment parts and supplies from PartsHnC!

    • Same Day Shipping

    • Best Quality And Best Price

    • Wide Range of Inventory

    • Best Customer Service

    Have More Questions or Need Help to Place The Order?
    Reach us at (866)773-0907 or [email protected]

    Reviews 1
    Write Your Own Review
    You're reviewing:Lochinvar & A.O. Smith VAL3403 Gas Valve Assembly VR8303M4897 100172016
    Your Rating
    Product Questions (2)
    Customer Questions
    What maintenance is required for the Lochinvar & A.O. Smith VAL3403 Gas Valve Assembly?

    Regularly inspect the gas valve assembly for leaks, corrosion, or debris. Clean connections and ensure proper mounting. Test operation to verify correct gas flow. Always turn off the gas supply and follow safety precautions before servicing.

    What are common issues with the Lochinvar & A.O. Smith VAL3403 Gas Valve Assembly?

    • Gas not flowing or valve failing to open.
    • Leaks at connections or seals.
    • Sticking or unresponsive valve components.
    • Intermittent operation or pressure inconsistencies.

    Installation Steps

    Step1: Turn off gas supply and power to the unit.

    Step2: Disconnect existing gas lines and remove the old valve assembly.

    Step3: Take note of wire connections before disconnecting them.

    Step4: Mount the new valve securely in place.

    Step5: Reconnect gas lines and wiring to the corresponding terminals.

    Step6: Check all connections for leaks using a gas leak detector.

    Step7: Restore power and gas supply, then test the system for proper operation.