RV Electronics Sender SP0028 – 7.5 m Water Tank Probe

Take the guesswork out of your water gauge setup with the RV Electronics Standard Sender (SP0028). It’s the perfect 7.5 m probe that brings accurate water-level readings across your caravan, RV, or camper trailer.

***Sender hole will automatically be added to your tank order when you order one or more sender units. In the case you order one sender with a fresh and grey water tank, sender will be added to the fresh water tank unless otherwise specified.***

***This product is only purchasable with a Water Tank as shipping is set to free to be bundled in with another product***

Why this sender probe stands out -

• Precision without motion: Uses a stationary arm with five sensors to deliver reliable water-level readings—no moving parts, no wear points.
• Easy, glue-free install: Requires just one 22 mm (7/8") hole; the smart self-sealing grommet compresses tight as you tighten the nut—watertight, clean, and hassle-free.
• Built to last in Aussie conditions: Equipped with marine-grade stainless steel screws and ultra-resilient grommet sealing, built for temperature extremes from –30 °C to 100 °C.
• Outstanding compatibility: Seamlessly integrates with RV Electronics gauges and is also compatible with BEP 600TG, Redarc Redvision, BMPRO, and more.
• Made in Australia + backed by warranty: Australian-manufactured quality with a solid 1-year warranty for true peace of mind. 

Quick Specs

• Cable Length: 7.5 m lead (SP0028)
• Tank Depth Range: Suits tanks 100 mm to 280 mm deep (4″–11″)
• Fitment: Single tank sender, fits both plastic and metal tanks
• Mounting Needs: Only a 22 mm hole and tight nut needed—no extra sealing required
• Ideal for: Utes, trailers, caravans, motorhomes, camper trailers, and 4WD setups—especially where reliable water monitoring matters.