{"title":"GPHM Large Chassis Units Accessories","description":"\u003cp\u003e\u003cspan\u003eGPHM large chassis packaged heat pump units (4-5 ton capacity) offer a comprehensive range of factory-engineered accessories designed to enhance performance, installation flexibility, and operational efficiency. Available accessories include fully modulating Honeywell Jade economizers with up to 100% fresh air capability for energy-efficient ventilation, downflow and horizontal duct filter racks accommodating standard air filters for improved indoor air quality, and manual or motorized fresh air dampers providing 25% outdoor air circulation to meet building codes. Additional accessories include outdoor thermostats with lockout functionality for intelligent management of supplemental electric heat in heat pump and dual fuel configurations for seamless economizer integration with heat pump systems, and optional electric heat kits for dual-fuel or heating-only applications. These OEM-quality accessories are compatible with Goodman GPHM3\/5 series large chassis units (4-5 ton) in horizontal or downflow configurations and feature color-coded wiring for straightforward field installation. Concentric vent kits (CDK4872) are also available for flexible venting and chimney integration, ensuring code compliance and proper system operation in diverse commercial and residential applications.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"ot18-60a-outdoor-thermostat-kit","title":"OT18-60A OUTDOOR THERMOSTAT KIT","description":"\u003cp\u003eOT18-60A OUTDOOR THERMOSTAT KIT This versatile thermostat is designed to provide precise temperature control and energy efficiency for your home or office. Featuring an easy-to-read display and intuitive controls, this thermostat allows you to customize your heating and cooling preferences to maintain optimal comfort year-round. With programmable settings, compatibility with various HVAC systems, and optional smart features, itÕs the perfect solution for managing indoor temperatures efficiently. Enjoy improved comfort, reduced energy costs, and convenient control at your fingertips.\u003c\/p\u003e","brand":"acunitsforless.com","offers":[{"title":"Default Title","offer_id":50564507599139,"sku":"OT18-60A","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/ot18-60a-outdoor-thermostat-kitacunitsforlesscomacunitsforless-950734.png?v=1731630435"},{"product_id":"goodman-square-to-round-adapters-downflow-large-chassis-qty-2-sqrpg103","title":"Goodman Square to Round Adapters - Downflow Large Chassis - Qty 2 SQRPG103","description":"\u003ch3\u003eProduct Description:\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"relative font-sans text-base text-foreground selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\n\u003cdiv class=\"min-w-0 break-words [word-break:break-word]\"\u003e\n\u003cdiv dir=\"auto\" id=\"markdown-content-3\" class=\"gap-y-md after:clear-both after:block after:content-['']\"\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] prose-strong:font-bold [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\" style=\"text-align: left;\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSQRPG103\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edownflow square‑to‑round duct adapter\u003c\/strong\u003e\u003cspan\u003e for large chassis \u003c\/span\u003eused with select\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGoodman\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDaikin\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epackaged HVAC units. It is designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elarger‑chassis\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystems (typically 4–5 ton) and converts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esquare supply and return openings\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon the unit into\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18‑inch round duct\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnections. This allows HVAC installers to easily connect flexible or rigid round ductwork to the bottom of the unit. The adapter is usually made of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egalvanized steel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand fits on standard downflow‑oriented package units. It helps maintain proper airflow while simplifying duct layout and reducing the need for custom sheet‑metal work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54844739682595,"sku":"SQRPG103","price":167.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/Goodman_20Square_20_20to_20Round_20Adapters_20-_20Downflow_20Large_20Chassis_20-_20Qty_202_20SQRPG103.png?v=1774010461"},{"product_id":"goodman-square-to-round-adapters-horizontal-large-chassis-qty-2-sqrpgh103","title":"Goodman Square to Round Adapters - Horizontal Large Chassis - Qty 2 SQRPGH103","description":"\u003ch3\u003eProduct Description:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eSQRPGH103\u003c\/strong\u003e\u003cspan\u003e is a \u003c\/span\u003e\u003cstrong\u003ehorizontal square‑to‑round duct adapter\u003c\/strong\u003e\u003cspan\u003e used with\u003c\/span\u003e select \u003cstrong\u003eGoodman\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003eDaikin\u003c\/strong\u003e\u003cspan\u003e packaged HVAC units. It is designed for \u003c\/span\u003e\u003cstrong\u003ehorizontal‑airflow\u003c\/strong\u003e\u003cspan\u003e (side‑discharge) \u003c\/span\u003e\u003cstrong\u003elarge‑chassis\u003c\/strong\u003e\u003cspan\u003e systems, typically \u003c\/span\u003e\u003cstrong\u003e4–5 ton\u003c\/strong\u003e\u003cspan\u003e gas‑pack or cooling‑pack units. The adapter converts the \u003c\/span\u003e\u003cstrong\u003esquare supply and return openings\u003c\/strong\u003e\u003cspan\u003e on the unit into \u003c\/span\u003e\u003cstrong\u003e18‑inch round duct\u003c\/strong\u003e\u003cspan\u003e connections. This allows installers to use standard flexible or rigid round ductwork while maintaining proper airflow. The kit usually includes \u003c\/span\u003e\u003cstrong\u003eone supply and one return adapter\u003c\/strong\u003e\u003cspan\u003e made of \u003c\/span\u003e\u003cstrong\u003egalvanized steel\u003c\/strong\u003e\u003cspan\u003e for strength and corrosion resistance.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54844925116707,"sku":"SQRPGH103","price":204.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/Goodman_20Square_20to_20_20_20Round_20Adapters_20-_20Horizontal_20Large_20Chassis_20-_20Qty_202_20SQRPGH103.png?v=1774010933"},{"product_id":"daikin-14-knocked-down-roof-curb-fits-goodman-gpc-gpg-d14crbpgchma","title":"Daikin 14\" Knocked Down Roof Curb fits Goodman Packaged Units D14CRBPGCHMA","description":"\u003ch3\u003eProduct Description:\u003c\/h3\u003e\n\u003cp\u003eThe Daikin \u003cstrong\u003eD14CRBPGCHMA\u003c\/strong\u003e is a 14-inch roof curb designed as a roof support structure that heating and cooling equipment mounts on, rising approximately 13¾ inches off the roof surface to keep equipment clear from water buildup. Constructed from 18-gauge galvanized steel with a 1\"x4\" wood runner permanently attached to the top, this roof curb is built for downflow rooftop applications. It allows select multi-position Goodman packaged units to be installed safely and securely on the roof in a downflow orientation. Key features include bed rail style corners, a 12½ x 23-inch return opening, a 15 x 22½-inch supply opening, and it ships knocked down with all hardware and gasket included. Compatible with GPH, GPC, GPD, and GPG Goodman packaged units. Dimensions: 42.625\" W x 49.5\" L x 14\" H | Weight: 75 lbs.\u003c\/p\u003e","brand":"Daikin","offers":[{"title":"Default Title","offer_id":54928079978787,"sku":"D14CRBPGCHMA","price":454.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/D14CRBPGCHMA.jpg?v=1776182944"},{"product_id":"goodman-duct-back-cover-27x32-20464502pdgk-large-chassis","title":"Goodman Duct Back Cover 27X32 20464502PDGK- Large Chassis","description":"\u003ctable class=\"table table-sm table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" class=\"border-0\"\u003eDescription\u003c\/th\u003e\n\u003ctd class=\"border-0\"\u003eDuct Back Cover 27X32 w\/Paint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e10.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Width\u003c\/th\u003e\n\u003ctd\u003e23.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Length\u003c\/th\u003e\n\u003ctd\u003e2.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Height\u003c\/th\u003e\n\u003ctd\u003e26.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54929195925795,"sku":null,"price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/Goodman_20Duct_20Back_20Cover.png?v=1776261823"},{"product_id":"mcdaniel-metals-4-6-ton-flush-mount-concentric-duct-kit-cdk4872","title":"McDaniel Metals 4-6 ton Flush Mount Concentric Duct Kit CDK4872","description":"\u003ch3\u003eGoodman CDK4872 Flush Mount Concentric Duct Kit - 4-6 Ton\u003c\/h3\u003e\n\u003cp\u003eThe Goodman CDK4872 is a 4-6 ton flush mount concentric duct kit built for larger commercial and light commercial HVAC applications where efficient, single-point air distribution is required. Designed to handle higher capacity systems, it delivers clean, reliable airflow through a single point in your ceiling - eliminating the need for traditional ductwork and simplifying installation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAll-aluminum diffuser with aluminum return air egg crate\u003c\/li\u003e\n  \u003cli\u003eBuilt-in anti-sweat gasket for moisture protection\u003c\/li\u003e\n  \u003cli\u003eDiffuser box constructed of fiberglass duct board or sheet metal\u003c\/li\u003e\n  \u003cli\u003eBuilt-in hanging supports for easy installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with Goodman 4-6 ton packaged units\u003c\/li\u003e\n  \u003cli\u003eIdeal for larger commercial and light commercial T-bar ceiling applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54937245155619,"sku":"CDK4872","price":1755.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/McDaniel_20Metals_8cd85390-a10a-4172-a2eb-5b1f94d10188.webp?v=1776765084"},{"product_id":"mcdaniel-metals-downflow-jade-economizer-for-large-chassis-gpjmed103","title":"McDaniel Metals Downflow Jade Economizer for Large Chassis GPJMED103","description":"\u003ch3\u003eGoodman Downflow Jade Economizer - Large Chassis (GPJMED103)\u003c\/h3\u003e\n\u003cp\u003eThe Goodman Downflow Jade Economizer GPJMED103 is engineered for large chassis packaged units and delivers exceptional energy savings through intelligent outdoor air management. This fully modulating economizer provides up to 100% fresh air capability with a sophisticated Honeywell Jade control system, automatically activating when outdoor temperature and humidity levels are optimal.\u003c\/p\u003e\n\u003cp\u003eThe enthalpy convertible design allows for single adjustable or dual-stage operation, making it adaptable to various system configurations. When outdoor conditions become unfavorable, the system intelligently closes the damper and engages mechanical cooling to maintain comfort while preserving efficiency.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54937245253923,"sku":"GPJMED103","price":1702.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/McDaniel_20Metals_20Downflow_20Jade_20Economizer_20for_20Large_20Chassis_20GPJMED103.webp?v=1776764601"},{"product_id":"mcdaniel-metals-downflow-internal-filter-rack-for-large-chassis-ddnifrpchml","title":"McDaniel Metals Downflow Internal Filter Rack for Large Chassis DDNIFRPCHML","description":"\u003ch3\u003eGoodman Downflow Internal Filter Rack - Large Chassis (DDNIFRPCHML)\u003c\/h3\u003e\n\u003cp\u003eThe Goodman Downflow Internal Filter Rack - Large Chassis DDNIFRPCHML is engineered for Goodman GPHH large-chassis packaged units. It installs internally in the downflow section and is configured to hold two 14\"×25\" filters, enhancing indoor air quality while preserving designed airflow and system performance.\u003c\/p\u003e\n\u003cp\u003eThis robust rack gives technicians straightforward access for filter changes and supports long-term reliability in commercial and higher-capacity applications.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54937245581603,"sku":"DDNIFRPCHML","price":295.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/McDaniel_20Metals_20Downflow_26e2b333-497a-4466-8b48-80aa7581f223.webp?v=1776764439"},{"product_id":"mcdaniel-metals-downflow-manual-damper-for-gphm-large-chassis-pgmdd103","title":"McDaniel Metals Downflow Manual Damper for GPHM Large Chassis PGMDD103","description":"\u003cp\u003eMcDaniel Metals Downflow Manual Damper for GPHM Large Chassis PGMDD103\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54937245942051,"sku":"PGMDD103","price":271.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/PGMDD103.jpg?v=1776445610"},{"product_id":"mcdaniel-metals-downflow-motorized-damper-for-gphm-large-chassis-pgmdmd103","title":"McDaniel Metals Downflow Motorized Damper for GPHM Large Chassis PGMDMD103","description":"\u003cp\u003eMcDaniel Metals Downflow Motorized Damper for GPHM Large Chassis PGMDMD103\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54937246302499,"sku":"PGMDMD103","price":616.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/PGMDMD103.jpg?v=1776446248"},{"product_id":"mcdaniel-metals-external-horizontal-filter-rack-for-gphm-medium-large-chassis-dphfra","title":"McDaniel Metals External Horizontal Filter Rack for GPHM Medium\/Large Chassis DPHFRA","description":"\u003ch3\u003eGoodman External Horizontal Filter Rack for GPHM Medium\/Large Chassis (DPHFRA)\u003c\/h3\u003e\n\u003cp\u003eThe Goodman External Horizontal Filter Rack for GPHM Medium\/Large Chassis DPHFRA is a space-efficient filtration solution designed for horizontal packaged units including Goodman GPH models in medium and large chassis sizes. This external rack mounts directly to the outside of the unit and accommodates a standard 16\" x 25\" x 1\" or 2\" air filter, making maintenance and filter replacement quick and accessible.\u003c\/p\u003e\n\u003cp\u003eThe durable galvanized or powder-coated metal construction withstands commercial HVAC environments while providing a clean, integrated appearance. Installation is straightforward-simply attach to the horizontal return opening, connect return ductwork, and seal with approved sealant for optimal performance and air quality.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54937246400803,"sku":"DPHFRA","price":194.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/DPHFRA.webp?v=1776754811"},{"product_id":"mcdaniel-metals-horizontal-economizer-for-gphm-large-chassis-dhzecnjpgchl","title":"McDaniel Metals Horizontal Economizer for GPHM Large Chassis DHZECNJPGCHL","description":"\u003ch3\u003eGoodman Horizontal Economizer for GPHM Large Chassis (DHZECNJPGCHL)\u003c\/h3\u003e\n\u003cp\u003eThe Goodman Horizontal Economizer for GPHM Large Chassis DHZECNJPGCHL is a fully modulating economizer built for Goodman and Amana GPC\/GPH large chassis packaged units, as well as heat pump and dual-fuel configurations. Featuring the intelligent Honeywell Jade economizer control system, this unit automatically modulates dampers to introduce up to 100% fresh outdoor air whenever outdoor temperature and humidity conditions allow, significantly reducing compressor runtime and energy consumption.\u003c\/p\u003e\n\u003cp\u003eThe single adjustable enthalpy convertible design supports dual-enthalpy operation with adjustable minimum fresh air settings for optimal control. An integrated filter rack is included for streamlined filtration, and the unit weighs 65 pounds; for heat pump and dual fuel systems, install the optional Goodman Part IRKT-01 to ensure proper integration.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":54937246892323,"sku":"DHZECNJPGCHL","price":2143.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/McDaniel_20Metals_20Horizontal_20Economizer_fc474889-6980-41fe-b513-616588430a3a.webp?v=1776754537"}],"url":"https:\/\/www.acunitsforless.com\/collections\/gphm-large-chassis-units-accessories.oembed","provider":"acunitsforless.com","version":"1.0","type":"link"}