Photos show this exact unit, including any signs of use.

Resideo WN8840B1110 Gas Control Valve for Water Heater Furnace NAT GAS 1/2 PSI
- ShippingDepends on item size and packaging.
- Local pickupAvailable in Taylorsville, UT.
This same item is also listed on
Same unit, same SKU.- Real photos
- Tested in Utah
- Ships in 2–4 business days
- 14-day limited returns
Description
Included and condition
Included
- Resideo WN8840B1110 Gas Control Valve
- Installation manual
- Condition-aware: Box not included for used items
Condition
- Graded New Open Box. Use the listing photos for final cosmetic review.
- No major extra issues are called out in the listing text beyond what is shown in the photos.
Confirm exact contents in the product photos. Accessories vary per unit.
Product overview
Discover the Resideo WN8840B1110 Gas Control Valve for Water Heater and Furnace, available in 'New Open Box' condition. This natural gas control valve is engineered for precise regulation of gas flow and pressure, ensuring safe and efficient operation of your heating systems. With a maximum inlet pressure of 1/2 PSI and an outlet pressure of 4" WC, it is perfect for standard natural gas setups. At TamDo.us, we pride ourselves on providing real product photos and clear condition notes, ensuring you know exactly what you're purchasing. Plus, enjoy peace of mind with our 14-day return policy!
Key features
- New Open Box condition
- Max inlet pressure: 1/2 PSI
- Outlet pressure: 4" WC
- Designed for water heaters and furnaces
- Precise gas flow regulation
- Ships from Utah
Why buy on TamDo.us
Buying pre-owned electronics on TamDo.us means lower prices than retail without sacrificing quality. We photograph each item in our Utah warehouse so you see exactly what you're buying — not stock images. Orders ship within 2–4 business days with tracking, and we offer 14-day returns on material defects. Need to inspect in person? Visit our local store at TamDous.com.
Good to know before you buy
Still unsure? Text (385) 715-6888 with SKU 24965What condition is the Resideo WN8840B1110 in?
The product is in 'New Open Box' condition.
How long does shipping take?
We ship within 2–4 business days.
Is there a return policy?
Yes, we offer a 14-day return policy.
What is the maximum inlet pressure for this valve?
The maximum inlet pressure is 1/2 PSI.
Does this valve come with a warranty?
Please check our website for warranty details on this product.
Can I see real product photos before buying?
Absolutely! We provide real product photos on our website.
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