“Easy to change out. Could use reminder sheet for o-ring sequence.”
“Replace cartridges every 3 years; all good.”
“Cartridge rattled initially, normal operation.”
“Renewed circulators successfully.”
“Easy install; can keep as backup.”
“Purchased pump for boiler, old one failed. This cartridge works well so far.”
“Straight replacement, takes ~15 mins to swap. Suggest keeping two for high winter usage.”
“Rotor replaced in 4 days; exact fit, guaranteed 3 yrs.”