{"product_id":"ar-annovi-reverberi-rmw22g24-ez-pressure-washer-pump-right-hand-2400-psi-2-2-gpm-with-ez-start-thermal-relief","title":"AR ANNOVI REVERBERI RMW22G24-EZ Pressure Washer Pump, Right-Hand 2400 PSI 2.2 GPM with EZ Start \u0026 Thermal Relief","description":"\u003cp\u003e\u003cstrong\u003eThe AR Annovi Reverberi RMW22G24-EZ is a right-handed triplex plunger replacement pump delivering up to 2.2 GPM at 2400 PSI with a hollow 7\/8\" shaft for direct vertical engine mounting.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, engine-driven pump is built for residential pressure-wash carts and vertical gas engines (4–7 HP). It combines a die-cast aluminum body, pressed brass pump head, and hardened-steel pistons with an EZ start valve, downstream chemical injection, integral pressure control, and thermal relief — all designed to fit common OEM carts and streamline maintenance and installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this pump mount to my vertical gas engine?\u003c\/h3\u003e\n\u003cp\u003eThe RMW22G24-EZ uses a keyed hollow 7\/8\" shaft connection that mounts directly to the engine crankshaft. A standard mounting flange aligns with most vertical gas engines in the 4–7 HP range, so it fits many OEM pressure-wash carts without adapter plates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeyed hollow shaft: 7\/8\" diameter for direct coupling\u003c\/li\u003e\n  \u003cli\u003eMounting flange compatible with common vertical engines\u003c\/li\u003e\n  \u003cli\u003eFits engines 4–7 HP (check cc-to-HP chart for exact match)\u003c\/li\u003e\n  \u003cli\u003eSpins at 3,400 RPM for the rated flow and pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the core performance and durability specs?\u003c\/h3\u003e\n\u003cp\u003eThis model is a triplex plunger pump rated at 2.2 gallons per minute and 2,400 PSI (166 bar) maximum. Wear-resistant components and a two-bearing support system stabilize the shaft and pistons for longer service life under frequent use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMax flow: 2.2 GPM (8.3 L\/min); max PSI: 2400 (166 bar)\u003c\/li\u003e\n  \u003cli\u003ePistons: hardened and tempered steel driven by a swash-plate\u003c\/li\u003e\n  \u003cli\u003ePump head: pressed brass; body: die-cast aluminum alloy\u003c\/li\u003e\n  \u003cli\u003eTwo-bearing shaft support and double gasket sealing system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich integrated controls and safety features are included?\u003c\/h3\u003e\n\u003cp\u003eThe pump arrives with several convenience and protection features already fitted: an EZ start valve to ease initial startup, an internal regulating (pressure control) valve to manage output, downstream chemical injection for detergents, and a thermal relief valve to protect against overheating and trapped pressure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in pressure control valve for steady output\u003c\/li\u003e\n  \u003cli\u003eEZ start valve reduces initial load on the engine\u003c\/li\u003e\n  \u003cli\u003eDownstream chemical injection port for detergents\u003c\/li\u003e\n  \u003cli\u003eThermal relief valve to relieve trapped heat and pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fittings and service details should I know before buying?\u003c\/h3\u003e\n\u003cp\u003eConnections are conventional but confirm thread types to match your hoses and fittings. The inlet uses a 3\/4\" GHA thread and the discharge is 22mm x 1.4M; oil capacity and maximum fluid temperature are modest, so observe service intervals and operating limits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInlet: 3\/4\" GHA; Outlet: 22mm x 1.4M\u003c\/li\u003e\n  \u003cli\u003eOil capacity: 2.2 oz; recommended max fluid temp: 140°F\u003c\/li\u003e\n  \u003cli\u003eWeight: ~7.3 lb; RPM rating: 3,400\u003c\/li\u003e\n  \u003cli\u003eReplaces several OEM part numbers (check compatibility list)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The RMW22G24-EZ is aimed at homeowners and service technicians replacing or upgrading vertical gas-engine pressure-wash pumps on residential carts. It suits users who need a compact, durable pump with integrated controls and chemical injection for routine cleaning tasks, and who have engines compatible with a 7\/8\" hollow shaft mounting.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this pump bolt directly to my 5 HP vertical engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most 4–7 HP vertical engines with a 7\/8\" keyed hollow shaft are compatible; confirm your engine shaft diameter and flange pattern first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use detergent with this pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it includes a downstream chemical injection port designed for low-pressure detergent delivery.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR ANNOVI REVERBERI","offers":[{"title":"Default Title","offer_id":56806087917908,"sku":"B079D3NPNS","price":194.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/ar-annovi-reverberi-front-pump.jpg?v=1786812976","url":"https:\/\/gardenluxe.co.uk\/products\/ar-annovi-reverberi-rmw22g24-ez-pressure-washer-pump-right-hand-2400-psi-2-2-gpm-with-ez-start-thermal-relief","provider":"Gardenluxe Uk","version":"1.0","type":"link"}