Burnham Boiler 80160402 Aquastat 30067439-890 or internal coil failure due

or internal coil failure due to voltage spikes

or Q) to confirm a match with the 180318 model

For any commercial HVAC controller installation where the remote bulb is mounted externally

Using it with high-pressure R-410A systems may exceed the 500 PSI limit and damage the internal mechanism

Burnham Boiler 80160402 Aquastat 30067439-890 or internal coil failure dueThe Burnham Boiler 80160402 Aquastat is an essential high limit immersion control engineered for precise hydronic heating system management. This SPST (Single Pole Single Throw) controller operates on a temperature rise to break the circuit, providing critical over temperature protection for residential and commercial boilers. With a dedicated 180 240F temperature range and a fixed 15 degree Fahrenheit differential, it ensures stable thermal