The Hartland Controls 90293 Relay is a heavy-duty SPDT (Single Pole Double Throw) power relay engineered for high-cycle switching in demanding HVAC and industrial control environments

capturing solid contaminants and moisture that lead to POE oil breakdown

and a captivated dial holding screw

the Sensus 143-16-023-04 is the go-to 3/8" Orifice for balancing throughput and lock-up precision

000 psig burst rating

Johnson Controls A19ABC-42 Utility Thermostat 30067439-890 The Hartland Controls 90293 RelayThe Johnson Controls A19ABC 42 is a heavy duty immersion control utility thermostat engineered for precise temperature management in hydronic heating systems and industrial boiler applications. This SPDT temperature control operates across common line voltages including 120 208 240 Vac, making it a versatile choice for field replacements. It features a broad 100 to 240 degree temperature range with a sensing element consisting of a liquid filled