par César Castrejon Rossier | Juin 24, 2025 | Nos Contrats d'entretien chaudière
The installer commits to the following services · An annual cleaning of the boiler.· An annual burner cleaning;· An annual control of the quality of combustion;· An establishment every 4 years of the revision certificate requested by the Grand-Ducal regulation of...
par César Castrejon Rossier | Juin 24, 2025 | Nos Contrats d'entretien chaudière
1. The installer commits to the following services · An annual cleaning of the boiler.· An annual burner cleaning;· An annual control of the quality of combustion;· An establishment of the revision certificate requested by the Grand-Ducal regulation (to date every 2...