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This furnace limit switch features a manual reset mechanism
The internal 40 VA transformer operates on a 120V primary input and steps down to a 24V secondary output for use with standard 24V thermostats and controllers
Key Benefits Universal Compatibility: Seamlessly integrates with MP918 and MP909 series actuators
If you’re seeing a pilot flame that hits the tip but won't stay lit after releasing the knob
Watts 0121504 Valve Freon This furnace limit switch featuresThe Watts 0121504, officially designated as the LF174A 125 1, is a heavy duty, lead free boiler pressure relief valve engineered for high capacity protection in hot water heating and domestic supply systems. This 1 inch NPT valve is ASME Section IV rated, featuring a 3,215,000 BTU hr steam discharge capacity at its fixed 125 psi setting. Constructed with a lead free copper silicon alloy body, it ensures compliance with modern potable water regulations
