you must physically depress the reset button on the back of the switch after resolving the airflow issue

Utilizing this universal thermocouple reduces the need for specialized truck stock

the switch likely requires replacement

Safety Integrity: Vital component for maintaining UL 555 fire-resistance ratings in commercial and industrial HVAC installations

providing critical freeze protection or defrost termination cycles within the refrigeration circuit

Watts 0342692 Valve you must physically depress theThe Watts 0342692 (Model M335M2) is a heavy duty 3 4" boiler pressure relief valve engineered for hydronic heating systems and low pressure steam applications. Built with a rugged bronze body and a stainless steel spring, this valve is the direct replacement for Watts 0342671 and the legacy Watts 335 series. Designed to meet the stringent requirements of ASME Section IV, it provides critical overpressure protection for residential and light commercial