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ensuring balanced performance right out of the box
Engineered to replace legacy components like the LH33WZ002
Whether you are performing a mid-winter emergency repair or a pre-season system overhaul
this valve is optimized for stable performance during variable head pressure or partial load conditions
including the Evolution Series EV-2000 and EV-2000S
Lochinvar & A.O. Smith 100073333 Kit 318973-401 ensuring balanced performance right outThe Lochinvar & A. O. Smith 100073333 Kit is a specialized FTX HI LOW PRESSURE SWITCH KIT engineered for precise gas pressure monitoring in FTX600 850 heating systems. This OEM certified kit includes both high gas pressure switch and low gas pressure switch components, providing a critical failsafe to protect the boiler heat exchanger and combustion assembly from erratic supply pressures. Featuring a manual reset mechanism, the 100073333 ensures that