The Lennox 24L18 Expansion Valve is a technical-grade R22 thermostatic expansion valve engineered for precision refrigerant metering in legacy residential and light commercial HVAC systems

The EP2121S is optimized for standard 0-20 psi output ranges typical in commercial pneumatic control loops

Antunes 8021206255 specifications

The Amana-Goodman 0130F00008S Ignitor is a critical OEM replacement heating element designed for high-efficiency gas furnaces

Tekmar Controls 081 Sensor Module 321702-401 The Lennox 24L18 Expansion ValveFor contractors managing multiple hydronic or HVAC zones, the Tekmar Controls 081 Sensor Module is a critical accessory for streamlining outdoor temperature monitoring. This module integrates three 10 k thermistors onto a single circuit board, allowing a technician to provide accurate ambient data to up to three independent controls from one centralized location. Designed specifically to mount within a Tekmar Outdoor Sensor 070 enclosure, the 081