The copyright EF32CW210 is a natural gas valve specifically designed for use in HVAC systems. It's made of lightweight but durable aluminum and regulates gas pressure with a built-in 3.5 psi regulator. The valve operates within a wide temperature range of -40°F to 175°F and features NPT threads for secure connections. https://www.partshnc.com/24v-35wc-nat-12-gas-valve-6