The alphanumeric sequence is not a specific GEMÜ product model but rather the postal code for the company's headquarters in Ingelfingen-Criesbach, Germany WOGS Control Valve (M) Sdn Bhd
Inspect the top of the solenoid. Does it require a DIN plug (Form A/B) or a circular screw-on connector (M12)? This determines the hardware you need to procure for the installation. gemu d-74653 wiring diagram
The search for a is common but slightly misleading because D-74653 is Gemü’s headquarters postal code, not a model. To successfully wire your Gemü solenoid valve, position indicator, or control top, you must identify the Type number (e.g., 1435, 1465) and the connector type (ISO 4400, M12, or terminal strip). The alphanumeric sequence is not a specific GEMÜ