Source google image: https://ae01.alicdn.com/kf/HTB1P50ZKFXXXXcoXXXXq6xXFXXXG/Pi-ces-de-chauffe-eau-soupape-de-s-curit-de-soupape-de-chauffe-eau.jpg
Soupape de sécurité panneau solaire
Source google image: https://ae01.alicdn.com/kf/HTB1P50ZKFXXXXcoXXXXq6xXFXXXG/Pi-ces-de-chauffe-eau-soupape-de-s-curit-de-soupape-de-chauffe-eau.jpg