:root { --hvx-golden: #0EA5A6; --hvx-slate: #0F172A; --hvx-ivory: #F8FAFC; --hvx-border: #D6DEE8; --hvx-card-bg: #FFFFFF; } .hvx-desc{ font-family:"Articulat CF",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; color:var(--hvx-slate); line-height:1.6; background:var(--hvx-ivory); padding:18px 18px 20px; border-radius:16px; } .hvx-desc-header{ border-radius:14px; padding:14px 16px; background:linear-gradient(120deg,var(--hvx-golden),var(--hvx-slate)); color:#fff; margin:0 0 16px; box-shadow:0 10px 24px rgba(0,0,0,.22); display:flex; align-items:center; gap:12px; flex-wrap:wrap; } .hvx-header-text{display:flex;flex-direction:column;gap:4px;min-width:240px} .hvx-eyebrow{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; opacity:.9; } .hvx-title{ margin:0; font-family:"Anton","Impact",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; font-size:22px; line-height:1.15; } .hvx-sub{ margin:10px 0 0; font-size:14px; color:#3b3b3b; } .hvx-desc-card{ border:1px solid var(--hvx-border); border-radius:14px; background:var(--hvx-card-bg); padding:16px 18px 18px; box-shadow:0 4px 12px rgba(0,0,0,.06); margin:14px 0; } .hvx-section-title{ margin:0 0 8px; font-family:"Anton","Impact",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; font-size:17px; letter-spacing:.08em; text-transform:uppercase; color:var(--hvx-slate); display:inline-flex; align-items:center; gap:8px; } .hvx-section-title::after{ content:""; flex:1; height:2px; border-radius:999px; background:linear-gradient(90deg,var(--hvx-golden),transparent); opacity:.9; } .hvx-badges{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 2px} .hvx-badge{ font-size:12px; border:1px solid var(--hvx-border); border-radius:999px; padding:6px 10px; background:#fff; color:var(--hvx-slate); white-space:nowrap; } .hvx-cta{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 0} .hvx-cta a{ display:inline-flex; align-items:center; gap:8px; padding:10px 14px; border-radius:12px; border:1px solid var(--hvx-border); background:#fff; text-decoration:none; color:var(--hvx-slate); font-size:14px; font-weight:600; } .hvx-cta a.primary{ background:var(--hvx-slate); color:#fff; border-color:transparent; } .hvx-grid{display:grid;grid-template-columns:1fr;gap:14px} @media(min-width:900px){.hvx-grid{grid-template-columns:1.15fr .85fr}} .hvx-list{margin:6px 0 10px;padding-left:18px;font-size:14px} .hvx-note{margin:8px 0 0;font-size:12px;color:var(--hvx-muted)} .hvx-kv{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px} .hvx-kv>div{ padding:10px 10px; border:1px solid var(--hvx-border); border-radius:12px; background:#fff; text-align:center; font-size:14px; } .hvx-table-wrap{width:100%;overflow-x:auto} .hvx-table{width:100%;border-collapse:collapse;font-size:13px;min-width:520px} .hvx-th,.hvx-td{border:1px solid var(--hvx-border);padding:9px 11px;text-align:left;vertical-align:top;line-height:1.45} .hvx-th{background:#f7f3e8;color:var(--hvx-slate);width:28ch;font-weight:700} details{border:1px solid var(--hvx-border);border-radius:12px;padding:12px 14px;background:#fff} summary{cursor:pointer;font-weight:800} .hvx-video{ position:relative; width:100%; padding-top:56.25%; border-radius:12px; overflow:hidden; border:1px solid var(--hvx-border); background:#000; } .hvx-video iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; } @media(max-width:768px){ .hvx-desc{padding:14px 12px 16px;border-radius:12px} .hvx-desc-header{padding:12px;border-radius:12px} .hvx-title{font-size:19px} .hvx-desc-card{padding:14px;margin:10px 0} } MRCOOL MRCOOL DIY Line Set R-454B - 1/4" x 3/8" Precharged Quick Connect Linesets Contact for custom quotes Call 737-738-6329 CLICK HERE TO CONTACT US FOR CUSTOM QUOTES AND QUESTIONS CLICK TO CALL US 737-738-6329 FOR ANY QUESTIONS MRCOOL DIY Line Set R-454B - 1/4" x 3/8" Precharged Quick Connect Linesets Summary The MRCOOL DIY 1/4" x 3/8" Line Sets are pre-charged refrigerant lines designed for easy installation with DIY 6K, 9K & 12K indoor units. These R-454B linesets feature quick-connect fittings and come in various lengths (16', 25', 35', and 50') to accommodate different installation requirements. The models with "C" designation include a DIY Pro Cable for added convenience. These white linesets with bronze/copper metallic accents are pre-charged with the correct amount of R-454B refrigerant for their respective lengths, making installation simpler for DIY enthusiasts. Key Features Pre-charged with R-454B refrigerant 1/4" liquid line and 3/8" suction line Quick-connect fittings for simple installation Models with "C" include DIY Pro Cable White with bronze/copper metallic color scheme Compatible with DIY 6K, 9K & 12K indoor units UV-resistant insulation Kink-resistant tubing 16' 1/4" x 3/8" Lineset (DIY16-1438-O) Model DIY16-1438-O UPC 840255589154 Line Set Length 16 ft Refrigerant Volume 2.12 oz R-454B Liquid Line Size 1/4" Suction Line Size 3/8" Net Weight 7.9 lbs Shipping Weight 11.7 lbs Shipping Dimensions 28.94" x 4.92" x 28.94" 25' 1/4" x 3/8" Lineset (DIY25-1438-O) Model DIY25-1438-O UPC 840255589161 Line Set Length 25 ft Refrigerant Volume 2.12 oz R-454B Liquid Line Size 1/4" Suction Line Size 3/8" Net Weight 10.4 lbs Shipping Weight 14.6 lbs Shipping Dimensions 32.09" x 4.92" x 32.09" 25' 1/4" x 3/8" Lineset with DIY Pro Cable (DIY25-1438C-O) Model DIY25-1438C-O UPC 840255589178 Line Set Length 25 ft Refrigerant Volume 2.12 oz R-454B Liquid Line Size 1/4" Suction Line Size 3/8" Includes DIY Pro Cable Net Weight 15.2 lbs Shipping Weight 19.4 lbs Shipping Dimensions 32.09" x 4.92" x 32.09" 35' 1/4" x 3/8" Lineset with DIY Pro Cable (DIY35-1438C-O) Model DIY35-1438C-O UPC 840255589185 Line Set Length 35 ft Refrigerant Volume 3.46 oz R-454B Liquid Line Size 1/4" Suction Line Size 3/8" Includes DIY Pro Cable Net Weight 17.6 lbs Shipping Weight 21.8 lbs Shipping Dimensions 32.09" x 4.92" x 32.09" 50' 1/4" x 3/8" Lineset with DIY Pro Cable (DIY50-1438C-O) Model DIY50-1438C-O UPC 840255589192 Line Set Length 50 ft Refrigerant Volume 6.07 oz R-454B Liquid Line Size 1/4" Suction Line Size 3/8" Includes DIY Pro Cable Net Weight 24 lbs Shipping Weight 29.5 lbs Shipping Dimensions 37.2" x 4.92" x 37.2" Compatibility These 1/4" x 3/8" DIY Line Sets are specifically designed for use with: MRCOOL DIY 6K indoor units MRCOOL DIY 9K indoor units MRCOOL DIY 12K indoor units Installation Notes Pre-charged with correct refrigerant amount for each lineset length Quick-connect fittings simplify installation process Models with "C" designation include DIY Pro Cable 3/8" suction line provides optimal performance for these units Designed for DIY installation (basic HVAC knowledge recommended) Important Restrictions This product cannot be shipped to: Guam (GU), Puerto Rico (PR), or U.S. Virgin Islands (VI). Safety Information PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. These linesets contain compressed gas and chemicals - handle with care and follow all safety instructions.
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