![Thetford Drain Valve Lubricant - 24oz [15843] by Thetford Marine -](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/89637XL.webp?v=1747306137)
24% off
Price history at Lotz Outdoors
Recorded at Lotz Outdoors since Oct 9, 2026: low $6.76 (Oct 9, 2026), high $6.79 (Oct 26, 2026). Last checked Nov 1, 2026.
From the store's product feed and AvantLink's price records; feeds can lag the store's own site.
Product Description
Drain Valve Lubricant - 24ozFeatures: Prevents sticky valves Restores operation Coats plumbing lines for smooth tank outflow Works in both grey and black water tanks Lubricating additive This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Thetford Drain Valve Lubricant - 24oz [15843]
$6.79
$8.99
24% Discount
You save $2.20
In Stock
at Lotz Outdoors
Price verified today
Amazon
eBay
Product Details
Brand
Thetford Marine
![Thetford AquaBio RV Holding Tank Treatment - Citrus Twist Scent - Formaldehyde Free - 32oz [96607]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/86854XL.webp?v=1747301029)
![Thetford AquaMax Holding Tank Treatment - 32oz - Spring Shower Scent [96635]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/96919XL.webp?v=1747325662)
![Thetford AquaBio RV Holding Tank Treatment - Citrus Twist Scent - 6-Pack of 8oz Bottles [96604]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/86853XL.webp?v=1747301023)
![Thetford AquaMax Holding Tank Treatment - 16 Toss-Ins - Spring Shower Scent [96631]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/96921XL.webp?v=1747325676)
![Thetford AquaMax Holding Tank Treatment - 6-Pack - 8oz Liquid - Spring Shower Scent [96634]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/89957XL.webp?v=1747306807)
![Thetford AquaMax Holding Tank Treatment - 64oz - Spring Shower Scent [96636]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/96922XL.webp?v=1747325682)
![Thetford AquaMax Holding Tank Treatment - 1 Gallon - Spring Shower Scent [96637]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/96920XL.webp?v=1747325669)
![Thetford Nano Eco Compact Toilet - 24V [T-NAN024PW/E/NA]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/99477XL.webp?v=1747360881)
![Thetford Nano Eco Compact Toilet - 12V [T-NAN012PW/E/NA]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/99476XL.webp?v=1747360875)
![Thetford Nano Touch Compact Toilet - 24V [T-NAN024PW/TSFT/NA]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/99478XL.webp?v=1747360887)
![Thetford Nano Touch Compact Toilet - 12V [NAN012PW/TSFT/NA]](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/99459XL.webp?v=1747360869)