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Universal RV Holding Tank Fitting Kit – RecPro & More

$36.99 on Amazon.com (as of September 26, 2026, 11:12 AM EST) View details ↗

Upgrade or replace your RV’s holding tank system with our comprehensive Universal Holding Tank Installation Fittings Kit. Designed to fit RecPro and a wide range of other RV models, this kit delivers all the essential components for a seamless, tool‑free installation. Each set includes three 1 1/2″ grommets (requiring 2 1/2″ holes) and one 3″ grommet (requiring 4″ holes), ensuring compatibility with most standard RV plumbing configurations. The ABS barbed couplers—three 1 1/2″ and one 3″—provide a secure, leak‑free connection to your tank’s waste line.

What sets this kit apart is the inclusion of six high‑quality black tank waste water sensors. These sensors monitor waste levels, giving you real‑time feedback and preventing overflow. The ABS construction guarantees durability and resistance to harsh chemicals, while the easy‑to‑install design means you can set up the kit in minutes without any special tools. Whether you’re performing a routine replacement or upgrading an older system, this kit is engineered for reliability, safety, and maximum performance.

Number of Waste Water Sensors6
Grommet Size1 1/2″ (requires 2 1/2″ hole)
Grommet Size3″ (requires 4″ hole)
Barbed Coupler MaterialABS
Barbed Coupler Size1 1/2″
Barbed Coupler Size3″
Which RV models is this kit compatible with?
The kit is designed for RecPro and multiple other RV models that use standard 1 1/2″ and 3″ grommets and ABS couplers.
Do I need any special tools for installation?
No, the kit is engineered for tool‑free installation; all components fit directly into existing holes and connections.
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