Fermod 2227 Pressure Relief Valve Boat Maintenance In addition to being the

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A cut-out in the top of the guard enables the Slimline Heater thermostat to be adjusted whilst the guard remains fixed to a wall

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expandable

Fermod 2227 Pressure Relief Valve Boat Maintenance In addition to being theDescription Fermod 2227 Pressure Relief Valve. (NT V version supplied as standard see image 3) Wall or ceiling mounted pressure relief valve for cold rooms up to 75 m3 Patented. Fermod 2227 Pressure Relief Valve. Wall mounted: extends in depth from 75 to 150 mm (up to 215 mm with the aluminium extension tube) For 120 mm maximum ceiling thickness Easy mounting The walls of a cold room are constantly subjected to strains caused by pressure variations,