Can I use this control for heating applications

this manual spark igniter mounts via standard bracket screws

It features high-quality electrical contacts and a durable diaphragm assembly to withstand the thermal cycling common in HVAC cabinets

Industrial-Grade Rating: Built to handle 330V applications

What is the proper mounting orientation for duct installation

Henry Technologies 5244-1-400 Valve Refrigerant Can I use this controlThe Henry Technologies 5244 1 400 pressure relief valve is a precision engineered safety component designed for high capacity commercial refrigeration systems and heavy duty HVACR applications. This UV certified safety relief valve features a 1 inch MPT inlet and a 1 inch FPT outlet, specifically calibrated for a 400 PSI relief setting. Built with a high grade brass body and a long life PTFE seat, this valve ensures a bubble tight seal and reliable