Tank vs Tankless for Commercial Jobs: The Contractor Guide
Tank or tankless is one of the most common spec decisions on commercial jobs — and one of the most consequential. The wrong choice means a system that underperforms, overcosts,...
PlumbersCrib Blog: Expert Plumbing Advice & Product Guides
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Hard Water and Tankless Water Heaters: What You Need to Know
Hard water is present in the majority of US households — and it is the single most common cause of premature tankless water heater failure. This guide covers exactly what...
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How to Size a Commercial Tankless Water Heater
Sizing a commercial tankless water heater is fundamentally different from sizing a residential unit. The demand is higher, the diversity of fixtures is wider, and the consequences of undersizing are...
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Tankless Water Heater Venting: What You Need to Know
Venting is where most tankless installation mistakes happen — wrong material, wrong configuration, wrong clearances, wrong vent length. This guide covers every venting decision on a gas condensing or non-condensing...
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Rheem Tankless Water Heater Maintenance: The Complete Guide
A Rheem tankless water heater delivers endless hot water and impressive efficiency — but only when its internal components stay clean and free of buildup. This guide covers every maintenance...
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Stiebel Eltron Mini Electric Tankless: Point-of-Use Guide
The Stiebel Eltron Mini is the go-to point-of-use electric tankless for hand washing sinks, utility sinks, break rooms, and commercial restrooms. Ultra-compact, no venting required, no pressure relief valve needed....
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Rheem IKONIC $250 Back Contractor Promotion — August 2026
Rheem is celebrating 250 years of American history with $250 back for every 2 condensing tankless units purchased. No limits, no caps — the more you buy, the more you...
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Condensing vs. Non-Condensing Tankless Water Heaters: The Complete Guide
Condensing vs. non-condensing is the first decision on every gas tankless job. This guide explains exactly how each technology works, how they install differently, and which one is right for...
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American Water Heaters Adapt X3: Built-In Scale Prevention
Scale buildup is the leading cause of tankless water heater failure — and the American Water Heaters Adapt SC X3 is the only condensing tankless that eliminates it without annual...
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Rheem RTG Series Non-Condensing Tankless Water Heaters: The Contractor's Guide
The Rheem RTG Series is the non-condensing tankless lineup contractors reach for when they need a proven, efficient, easy-to-install unit at a lower price point than condensing. This guide covers...
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What Size Tankless Water Heater Do I Need? Complete Guide
Sizing a tankless water heater wrong is the most common mistake on the job — and it is 100% avoidable. This guide walks through how to calculate your GPM demand,...
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The Rheem IKONIC Series: More Hot Water, Less Waiting, Better Warranty
The Rheem IKONIC series is Rheem's most efficient and most specified condensing tankless lineup. This guide covers every residential and commercial model, what separates the S from the SR variants,...
