Water Heater Timer

[rbusch (Ryan Busch)]

What is the purpose of this 24 hour timer on h2o heater?

[bdoles2 (Brian K. Doles)]

It’s a recirculating pump. LINK

[cevans (Chuck Evans, CMI)]

Looks like it turns that circulating pump on/off so that they get “instant” hot water when they take their morning shower without paying to heat the pipes 24/7.