Watts 0121504 Valve Freon This furnace limit switch features

This furnace limit switch features a manual reset mechanism

The Copeland 918-0052-00 Crankcase Heater is a critical field-service component engineered to maintain optimal lubricant temperature during the compressor's off-cycle

As an auto reset HVAC limit switch

Its patented conductivity-based sensing technology distinguishes between actual low water conditions and water volatility

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

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