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or a temperature differential across the valve body indicating internal bypass or a "bleeding" slide
Hydronic Versatility: Rated for fluid temperatures up to 200°F
Key Benefits Precision 5/8" Bore: Ensures a secure
which permits exact tonnage matching and easier inventory management across varied service calls
Can this 75VA transformer replace a 40VA or 50VA model
Lennox 78H74 Limit Switch 319848-301 or a temperature differential acrossThe Lennox 78H74 is a critical OEM L185F limit switch designed for precision thermal protection in residential and commercial Lennox heating systems. As a primary safety control, this high limit switch monitors internal heat exchanger temperatures and is engineered to open the electrical circuit if the ambient temperature reaches the L185F set point. This rapid response prevents internal overheating and ensures the system operates within safe HVAC