{"product_id":"pump-pressure-gauge-0-20-bar-r58-r-nine-one-st-steel-a219906185","title":"Rocket Espresso Pump Pressure Gauge 0-20 Bar – Stainless Steel R58 \u0026 R Nine One (Part A219906185)","description":"\u003ch2\u003eWhat Is This Pump Pressure Gauge?\u003c\/h2\u003e\u003cp\u003eThis is a genuine replacement \u003cstrong\u003epump pressure gauge\u003c\/strong\u003e for Rocket Espresso machines, part number \u003cstrong\u003eA219906185\u003c\/strong\u003e. Featuring a stainless steel body and a single 0–20 bar scale, this gauge monitors pump (brew) pressure during espresso extraction — essential for dialling in and diagnosing pressure-related issues. It is a direct OEM replacement for the R58 and R Nine One model families.\u003c\/p\u003e\u003ch2\u003eCompatible Rocket Espresso Models\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRocket R58 (from February 2018)\u003c\/li\u003e\n\u003cli\u003eRocket R58 (from September 2023)\u003c\/li\u003e\n\u003cli\u003eRocket R58 2015\u003c\/li\u003e\n\u003cli\u003eRocket R-Cinquantotto (from August 2021)\u003c\/li\u003e\n\u003cli\u003eRocket R-Cinquantotto (from October 2024)\u003c\/li\u003e\n\u003cli\u003eRocket R Nine One\u003c\/li\u003e\n\u003cli\u003eRocket R-Nine-One (from September 2020)\u003c\/li\u003e\n\u003cli\u003eRocket R-Nine-One (from November 2022)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e A219906185\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e Single scale, 0–20 bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e 1\/8\" male (BSP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame diameter:\u003c\/strong\u003e 65mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody diameter:\u003c\/strong\u003e 60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody material:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Pump \/ brew pressure monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSymptoms of a Faulty Pump Pressure Gauge\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGauge needle stuck, not moving, or reading zero during extraction\u003c\/li\u003e\n\u003cli\u003eGauge reading erratically or not returning to zero after extraction\u003c\/li\u003e\n\u003cli\u003eVisible moisture, fogging, or condensation inside the gauge face\u003c\/li\u003e\n\u003cli\u003eGauge leaking from the 1\/8\" connection point\u003c\/li\u003e\n\u003cli\u003eCracked or broken gauge face or bezel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow to Replace a Pump Pressure Gauge\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eTurn off and unplug the machine; allow it to cool and fully depressurise\u003c\/li\u003e\n\u003cli\u003eRemove the machine casing to access the pump gauge fitting\u003c\/li\u003e\n\u003cli\u003eUnscrew the old gauge from the 1\/8\" BSP connection\u003c\/li\u003e\n\u003cli\u003eApply PTFE thread tape to the new gauge’s 1\/8\" fitting\u003c\/li\u003e\n\u003cli\u003eThread in the replacement gauge and tighten firmly — do not overtighten\u003c\/li\u003e\n\u003cli\u003eReassemble the casing, power on, and verify the gauge reads correctly during extraction (typically 9 bar for standard espresso)\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cem\u003eTip: Always confirm your machine’s production date when ordering — Rocket has updated gauge fitments across multiple R58 and R Nine One production runs.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eWhy Buy From Bear Coffee Machine?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Rocket Espresso OEM parts — not aftermarket substitutes\u003c\/li\u003e\n\u003cli\u003eFast shipping from Sydney, Australia\u003c\/li\u003e\n\u003cli\u003eExpert support — we can confirm compatibility using your machine’s serial number\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ROCKET","offers":[{"title":"Default Title","offer_id":46351497494724,"sku":null,"price":99.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/6632\/8260\/files\/Rocketr58pumppressure.jpg?v=1783408230","url":"https:\/\/bearcoffeemachine.com.au\/products\/pump-pressure-gauge-0-20-bar-r58-r-nine-one-st-steel-a219906185","provider":"Bear Coffee Machine ","version":"1.0","type":"link"}