Inline hot water temperature sensor?

[wgmcg]

This looks promising but a bit at the top end of what i have budgeted.

After I posted I found this thread which looks promising.

Smart Hot Water Recirculation Solution

These forums have been so helpful to me. I’d like to pay back my debt by sharing my experiences with smart hot water recirculation. As far as I can tell, I did things a little differently than others. Problem: Long runs of pipe between where water is heated and the hot water is actually used results in long wait times and much water loss before hot water is available. Predictive (Dumb) Solution: Deploy a Hot Water Recirculating System such as 1. https://www.amazon.com/gp/product/B000E78XHG 2. https://www.amazon.com/gp/product/B01C7S0P2K This involves installing a pump (1) on the hot water line leaving your water heater. The pump is active according to a schedule that predicts hot water need. The schedule is manually programmed on the pump (like what is done with some dumb christma…

I’m doing a dedicated return system so I wouldn’t need to rely on the sensor valve.

I’d prefer purpose built sensor similar to what readytemp is using to the home made one rossetyler is using. Do I prefer it to the tune of the $300 or so difference in price? I haven’t decided yet.