offering long-term reliability in cycling applications

If you are servicing a valve with brass trim or a larger 3/8" stem (DN25-DN50)

preventing the common "mushrooming" or bulging that leads to total fan motor failure

The rugged construction minimizes pressure drop while providing reliable shut-off and opening cycles in demanding thermal expansion applications

or a clogged condensate drain line in condensing furnaces

Lennox 68W77 Conversion Kit 320734-701 offering long-term reliability in cyclingThe Lennox 68W77 natural gas to LP conversion kit is a critical OEM component designed for field converting gas fired heating systems to liquid propane operation. As a Lennox genuine replacement part, this kit ensures that manifold pressure adjustments and orifice sizing meet exact factory specifications for safe, efficient combustion. The 68W77 is engineered for high performance HVAC fuel conversion, maintaining the appliance's thermal efficiency