Whale Expanse Gas & Electric Pressure Release Drain Valve (PRD) for expanse 8-litre water heaters. A product that is suitable for both caravans and motorhomes. This replacement part for Whale expanse heaters offers pressure release and water drain features and fits all 3 models of the expanse heater.
(Includes ‘O’ ring x1 & screws x6)
Whale Parts No: AK1275