What is the MasterTemp AGS error?

The AGS (Automatic Gas Shutoff) error generally indicates high stack temperature, often tied to scale on the heat exchanger from unbalanced chemistry — common in Sarasota's hard water when pH runs high.

Equipment

Pentair Heater Repair in Sarasota

MasterTemp is a widely installed gas heater across Sarasota-area pools. Submit your request and connect with a local provider for ignition, sensor, board or manifold work.

MasterTemp ignition and flame-sensor repair
Control-board diagnosis and replacement
Manifold and heat-exchanger service
UltraTemp heat-pump refrigerant work

FAQ

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