The Johnson Controls PLT344-1R is a professional-grade DIN rail end clamp designed to provide lateral stability for components mounted on standard 35mm and 38mm rails

Bi-Directional Flow Capability: Optimizes system design for heat pump applications or complex piping layouts

Technical performance is rated for up to 125 PSI with a temperature range of 32-125°F

operating on a standard 24V HVAC control circuit to manage manifold pressure for both low and high-fire stages

Designed to provide critical protection against dry-firing

Lennox 13P93 Fan Limit Switch 30067439-890 The Johnson Controls PLT344-1R isMaintain precise thermal regulation and safety standards in forced air heating systems with the Lennox 13P93 Fan Limit Switch. This genuine OEM component is the direct replacement for 11M40 (as well as 10H37 and 43F4501) and is essential for managing blower activation and high limit protection. Engineered by Honeywell (Model L4064B2210), this HVAC combination fan and limit control features an 11. 5 inch insertion length and a 3 4 inch diameter probe