What Is This Pressure Gauge? This is a genuine replacement boiler steam pressure gauge for Rocket Espresso Type V machines. Part number A299904632, this white-faced gauge displays boiler pressure on a single 0–3 bar scale, allowing you to monitor steam pressure during operation. It is a direct OEM replacement for the models listed below. Compatible Rocket Espresso Models Rocket Giotto Cronometro V (from August 2019) Rocket Mozzafiato Evoluzione V Rocket Mozzafiato Cronometro V (from August 2019) Rocket Mozzafiato Cronometro V (from March 2023) Rocket Porta Via (from August 2020) Specifications Part number: A299904632 Scale: Single scale, 0–3 bar Gauge connection: 1/4" male (BSP) Bulb connection: 1/8" female (BSP) Frame diameter: 57mm Body diameter: 52mm Face colour: White Type: V (PID-type V) Symptoms of a Faulty Boiler Pressure Gauge Gauge needle stuck, not moving, or reading zero despite the machine being at temperature Gauge reading erratically or fluctuating wildly Visible moisture, fogging, or condensation inside the gauge face Gauge leaking from the connection point Cracked or broken gauge face How to Replace a Boiler Pressure Gauge Turn off and unplug the machine; allow it to cool and fully depressurise Remove the machine casing to access the boiler and gauge fitting Unscrew the old gauge from the 1/4" BSP boiler connection Apply PTFE thread tape to the new gauge’s 1/4" fitting Thread in the replacement gauge and tighten firmly — do not overtighten Reassemble the casing, power on, and verify the gauge reads correctly at operating pressure (typically 1.0–1.2 bar for steam boilers) Tip: Always confirm your machine’s production date when ordering — Rocket updated the Type V gauge fitment from August 2019 onwards. Why Buy From Bear Coffee Machine? Genuine Rocket Espresso OEM parts — not aftermarket substitutes Fast shipping from Sydney, Australia Expert support — we can confirm compatibility using your machine’s serial number