Tender: Central Heating Power Flushing & Water Treatment – 12‑Month Framework for Isle of Man Social Housing (Dept. of Infrastructure, Housing Agency)

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The Department of Infrastructure - Housing Agency is seeking a supplier for a 12-month framework to provide central heating system power flushing and water treatment across Department-owned social housing properties throughout the Isle of Man. Work will be instructed by individual Purchase Orders and must include all labour, materials, equipment, chemicals, testing and documentation necessary to inspect, clean, power flush and treat domestic wet central heating systems, including cleaning magnetic filters or dirt separators, using approved cleaning chemicals where required, final dosing with an approved corrosion inhibitor, operational checks and completion records. Where authorised, contractors may also be instructed to replace radiators, thermostatic radiator valves, lockshield valves, filters or other associated components in accordance with the Framework Pricing Schedule. Contractors must arrange appointments, protect the property and tenants’ belongings, minimise disruption and leave systems fully operational; any issues raised during the 14-day post-completion callback period must be investigated and remedied. The framework does not guarantee any minimum quantity, volume or value of work. Expressions of interest are open until 12:00 on 27/11/2026 and the submission deadline is 12:00 on 11/12/2026. The Quick Quote will be subject to the Isle of Man Government Standard Terms & Conditions for Goods and/or Services.