--- product_id: 672472995 title: "EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner" brand: "micro-air" price: "€ 862.03" currency: EUR in_stock: true category: "Micro Air" url: https://www.desertcart.be/products/672472995-easystart-flex-398-soft-start-kit-for-home-and-rv store_origin: BE region: Belgium --- # 75% inrush current reduction Bluetooth app diagnostics 4-wire color-coded DIY install EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner **Brand:** micro-air **Price:** € 862.03 **Availability:** ✅ In Stock ## Summary > ❄️ Cool starts, zero drama—upgrade your AC game effortlessly! ## Quick Answers - **What is this?** EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner by micro-air - **How much does it cost?** € 862.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/672472995-easystart-flex-398-soft-start-kit-for-home-and-rv) ## Best For - micro-air enthusiasts ## Why This Product - Trusted micro-air brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **DIY Friendly Setup:** Color-coded 4-wire hookup with step-by-step video guides—install in minutes, no pro needed. - • **Power Surge Slayer:** Slash startup amps by up to 75%, protecting breakers and circuits from overload. - • **Universal HVAC Upgrade:** Compatible with 2-6 ton single-stage, two-stage, and heat pump systems for versatile use. - • **Generator-Ready Cooling:** Seamlessly run your AC on backup generators without flickers or brownouts during outages. - • **Silent Smart Protection:** Eliminate loud compressor clunks and light flickers with built-in fault detection and Bluetooth monitoring. ## Overview The MICRO-AIR EasyStart Flex 398 Soft Start Kit dramatically reduces compressor startup amps by up to 75%, preventing breaker trips and extending HVAC lifespan. Designed for easy DIY installation with color-coded wiring and video guides, it supports 2-6 ton residential and RV AC units. Its smart Bluetooth diagnostics and built-in fault protection ensure quiet, reliable operation, even on backup generators, making it a must-have for modern, energy-conscious homeowners. ## Description Buy MICRO-AIR EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner | Includes Installation Kit, 75% Inrush Reduction, For Units <6 Tons (72k BTU), Silence Startup Noise, Weatherproof, USA Made: Air Conditioners - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - AMP & SURGE REDUCTION: Lowers locked-rotor inrush current by up to 75% to prevent annoying breaker trips. This ac soft start kit for home and RV systems optimizes peak power draw and protects your electrical circuits during heavy compressor startup. - EASY DIY INSTALLATION: Featuring a simple 4-wire hookup with color-coded wiring for convenient setup, this air conditioner soft start kit includes helpful step-by-step video guides so homeowners can complete the installation without any hassle. - BACKUP GENERATOR POWER: Our soft starter enables central cooling systems to run smoothly on portable or standby backup generators amidst sudden power outages. Explore a HVAC soft start kit for off-grid living and truly reliable emergency and low power setups. - UNIVERSAL COMPATIBILITY: Promising smooth integration with single-stage, two-stage, and heat pump cooling systems rated from 2 to 6 tons, this highly versatile 3 ton ac soft start kit easily upgrades various residential outdoor HVAC compressors. - QUIET & SMART PROTECTION: The Micro-Air EasyStart Flex 398 eliminates loud compressor clunks, light flickering, and brownouts during startup, and features convenient Bluetooth app diagnostics along with complete built-in fault system protection. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DKQN4XRJ | | Additional Features | Portable | | Air Conditioner Application | Residential, RV, Commercial | | Best Sellers Rank | #5,769 in Automotive ( See Top 100 in Automotive ) #8 in RV Heating, Ventilation & Air Conditioning | | Brand Name | MICRO-AIR | | Capacity | 6 tons | | Color | White | | Compressor Type | rotary_scroll | | Control Method | App | | Controller Type | App Control | | Customer Reviews | 4.7 4.7 out of 5 stars (838) | | Efficiency | 15 | | Form Factor | Portable | | Included Components | Installation Kit | | Installation Type | Split System | | Inverter Type | No Inverter | | Item Dimensions D x W x H | 9"D x 4"W x 3"H | | Manufacturer | MICRO-AIR | | Model Name | MicroAir Flex 398 with Installation Kit | | Model Number | 398 KIT | | Operating Mode | Cooling | | Power Source | Corded Electric | | Room Type | Multi-purpose | | Seasonal Energy Efficiency Ratio (SEER) | 15 | | UPC | 850049469227 | | Unit Count | 1 Count | | Voltage | 240 | | Warranty Description | 2-year warranty | | Warranty Type | Limited | | Wattage | 21102 watts | ## Product Details - **Brand:** MICRO-AIR - **Capacity:** 6 tons - **Color:** White - **Form Factor:** Portable - **Model Name:** MicroAir Flex 398 with Installation Kit - **Power Source:** Corded Electric - **Product Dimensions:** 9"D x 4"W x 3"H - **Seasonal Energy Efficiency Ratio (SEER):** 15 - **Special Feature:** Portable - **Voltage:** 240 ## Images ![EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner - Image 1](https://m.media-amazon.com/images/I/418WkcDXqXL.jpg) ![EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner - Image 2](https://m.media-amazon.com/images/I/41uTLNPAPgL.jpg) ![EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner - Image 3](https://m.media-amazon.com/images/I/5183hUQUtlL.jpg) ![EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner - Image 4](https://m.media-amazon.com/images/I/41lnOLtOjCL.jpg) ![EasyStart Flex 398 Soft Start Kit for Home & RV Air Conditioner - Image 5](https://m.media-amazon.com/images/I/41NhCAd4REL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: How do I install it?** A: An installation kit is included with each product and easy to follow DIY installation instructions are available on Hutch Mountain's website. **Q: Can I install it myself (DIY)?** A: Yes, many customers successfully DIY it in under an hour, though some recommend having an electrician if unfamiliar with HVAC wiring. **Q: Can it be installed outside in the weather?** A: Yes, it is IP65 rated for outdoor use. It is strongly recommended to be installed inside the A/C service panel or sheltered area to further protect the unit. **Q: Is the enclosure waterproof?** A: Yes, it is IP65 rated for outdoor use and is weather resistant to rain and snow (but not pressure washing). **Q: What is the wire/whip length?** A: Approximately 4 feet, allowing mounting some distance from the AC unit. ## Frequently Bought Together - MICRO-AIR EasyStart FLEX 398 - Bluetooth Soft Start Kit for Home Air Conditioner, RV & Commercial Use, Works with Generators, Reduces Power Surge, Efficient Start-Up - Up to 6 Tons w/Installation Kit - Amlits 300 PCS Insulated Wire Electrical Connectors - Butt, Ring, Spade, Quick Disconnect - Crimp Terminals Connectors Assortment Kit - Klein Tools 3005CR Wire Crimper Tool, Ratcheting Insulated Terminal Crimper for 10 to 22 AWG Wire --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/672472995-easystart-flex-398-soft-start-kit-for-home-and-rv](https://www.desertcart.be/products/672472995-easystart-flex-398-soft-start-kit-for-home-and-rv) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-11-15*