{"product_id":69168,"slug":"rubine-electric-instant-water-heater-rwh-3388b-1-s-90247407","name":"Rubine Electric Instant Water Heater (RWH-3388B)","description":"Please note that installation is not included in the purchase price, and installation is available for an additional fee. After your purchase, we will contact you to confirm if you require setup services and provide a separate estimate.\n\nInverter DC pump for stable water pressure and improved performance in low-pressure conditions. Rated power 3500 W for rapid and efficient water heating.","short_description":"• 5-year warranty on heating element and inner tank, 1-year parts and service coverage.\n\n• Safety mark number: 200894-11","who_for":null,"how_to_use":null,"why_people_like_it":null,"good_to_know":null,"brand":{"slug":"rubine","name":"Rubine"},"purpose_tags":[],"images":[{"url":"https://tanatasa.sg/images/products/f-direct/90247407/457e584e5c969ea610bddf0ec95f7824b9e2a71bb33fa776e59bf6bd4df73397.jpg","alt":"Rubine Electric Instant Water Heater (RWH-3388B)"}],"tanatasa_pick":false,"seller":{"name":"Tanatasa","legal_name":"WELL IN STYLE PTE. LTD.","uen":"202445049G","url":"https://tanatasa.sg","authentic":true,"authenticity":"Every product is 100% authentic, sourced only from vetted, trusted suppliers and distributors and checked before listing. No third-party marketplace sellers."},"variants":[{"variant_id":69663,"product_id":69168,"slug":"rubine-electric-instant-water-heater-rwh-3388b-1-s-90247407","sku":"TTS-V00069663","name":"Rubine Electric Instant Water Heater (RWH-3388B)","option_name":"1 unit","product_name":"Rubine Electric Instant Water Heater (RWH-3388B)","brand":"Rubine","currency":"SGD","unit_price":33000,"compare_at_price":null,"available":false,"max_quantity":0,"url":"https://tanatasa.sg/shop/rubine-electric-instant-water-heater-rwh-3388b-1-s-90247407","image_url":"https://tanatasa.sg/images/products/f-direct/90247407/457e584e5c969ea610bddf0ec95f7824b9e2a71bb33fa776e59bf6bd4df73397.jpg","gtin":null,"condition":"new","condition_label":"New","expiry":null,"stock_source":"supplier","fulfilment":{"code":"partner_stock","label":"Fulfilled from an authorised partner's stock"},"tanatasa_pick":false,"unit_pricing":null,"description":"• Please note that installation is not included in the purchase price, and installation is available for an additional fee. After your purchase, we will contact you to confirm if you require setup services and provide a separate estimate. • Inverter DC pump for stable water pressure and improved performance in low-pressure conditions. • Rated power 3500 W for rapid and efficient water heating. • Compatible with standard 230 V electrical systems at 50/60 Hz. • Operates effectively from a minimum water pressure of 0.02 MPa up to 0.4 MPa. • Activates at low flow rates from just 2 L/min. • Compact and lightweight design (approx. 2.3 kg) for easy installation. • Splash-proof IP25 rating suitable for bathroom environments. • Includes water heater unit with rainshower set and mounting hardware. • Tri-way diverter enables switching between overhead rain shower, hand shower and spout. • UK-technology UL-approved heating element for fast heat response and durability. • Independent thermal cut-out and anti-scalding thermostat protection for safety. • Reduces energy usage compared with traditional heaters due to inverter DC pump efficiency.\n\n• 5-year warranty on heating element and inner tank, 1-year parts and service coverage. • Safety mark number: 200894-11\n\nStore in cool and dry place\n\nSingapore","key_benefits":null,"suitable_for":null,"ingredients_summary":null,"size":"1 S","pack_quantity":1,"skin_type_or_use_case":null,"formulations":[],"is_bundle":false,"bundle_contents":null,"key_benefits_list":[],"bundle_contents_list":[],"category":{"slug":"electronics-home-appliances-water-heaters","name":"Water Heaters","path":["Household","Electronics","Home Appliances","Water Heaters"]},"delivery_estimate":{"shipping_cost":0,"working_days":{"min":6,"max":6},"estimated_delivery_date":"2026-11-11"}}],"offer_terms":{"seller":"Tanatasa","free_delivery":true,"delivery_area":"Singapore","minimum_spend":0,"shipping_cost":0,"delivered_price_equals_item_price":true,"delivery_working_days":{"min":4,"max":9},"delivery_summary":"Free delivery within Singapore: about 4 working days for items Tanatasa holds in stock, and up to 9 working days for items fulfilled by partner suppliers. Each product shows its own estimate.","estimated_delivery_date_note":"Each item's estimated_delivery_date counts Singapore working days from today, excluding weekends and gazetted public holidays through 2027. An order arrives together, by its slowest item.","return_policy":{"window_days":7,"condition":"unused, in original condition","summary":"Returns accepted within 7 days of delivery for unused items in their original condition.","policy_url":"https://tanatasa.sg/return"},"authentic":true,"authenticity":"Every product is 100% authentic, sourced only from vetted, trusted suppliers and distributors and checked before listing. No third-party marketplace sellers.","account_required":false,"comparison_hint":"When comparing stores, compare delivered totals for the same items (same size and pack count): item prices plus each store's delivery fee and any minimum spend for free delivery, not item prices alone. Tanatasa's quote total already includes delivery (S$0). Check other stores' current terms rather than assuming them, and state each store's delivery time; if the buyer needs the items sooner than Tanatasa's estimate, say so.","policy_urls":{"delivery":"https://tanatasa.sg/shipping","returns":"https://tanatasa.sg/return","authenticity":"https://tanatasa.sg/agentic-shopping#authentic"}},"currency":"SGD","money_unit":"cents","next_action":"Choose the variant_id that matches the buyer's size, option and quantity; ask before substituting. Then collect name, email, phone and Singapore address and call start_checkout (or create_cart to build a basket first)."}