Burnham Boiler 104450-01 Aquastat Relay THPU32HP7Y This TXV valve body features

This TXV valve body features 1/4" SAE flare inlet and 1/2" SAE flare outlet connections

this remote sensor dial is compatible with both steam heating and hot water applications

Fail-Safe Spring Return: Automatically drives the valve to a normally closed position during power failures to protect against uncontrolled flow

protecting the heat exchanger from dry-firing and catastrophic failure

and Lennox commercial models

Burnham Boiler 104450-01 Aquastat Relay THPU32HP7Y This TXV valve body featuresThe Burnham Boiler 104450 01 Aquastat Relay serves as the primary immersion controller for hydronic heating systems, regulating high limit protection and circulator functionality. This critical component is engineered to maintain precise water temperatures and prevent boiler overheating by interrupting power to the burner if the high limit set point is exceeded. As an OEM replacement part for Burnham hydronic boilers, it ensures seamless integration