Tankless Recirculation Explained: Systems & Controls
Recirculation eliminates the wait for hot water at the tap — but every tankless brand handles it differently. Here is how recirculation works, how to build the loop, and what...
PlumbersCrib Blog: Expert Plumbing Advice & Product Guides
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Intellihot Neuron Series: Drop-In Tank Replacement Guide
The Intellihot Neuron Series is the first drop-in ready tankless replacement for commercial tank and boiler water heaters — same piping connections, 50% faster installation, no re-piping required. This guide...
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Intellihot Commercial Tankless Water Heaters: Complete Lineup Guide
Intellihot makes the most advanced commercial tankless water heaters in the industry — US-manufactured, fully modulating, with patented Masterless Cascading technology that eliminates single-point failure. This guide covers the full...
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Rheem Tankless Accessories: Venting, Controls & Parts
A Rheem tankless water heater is only as good as the accessories supporting it. This guide covers every accessory category — ProTech venting, controls accessories, and installation and service parts...
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Stiebel Eltron Tempra Electric Tankless: Complete Guide
The Stiebel Eltron Tempra is the benchmark whole-home electric tankless water heater — no gas line, no venting, 99% efficiency, and the only electric tankless on the market with Advanced...
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Rheem IKONIC Sizing Guide: Which Model Do You Need?
The Rheem IKONIC comes in three residential models — 8.4 GPM, 10.1 GPM, and 11.2 GPM — and getting the sizing right comes down to three variables: ground water temperature...
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Gas Line Sizing for Tankless Water Heaters: Complete Guide
Gas line sizing is the most commonly overlooked factor on tankless water heater installations — and the one most likely to cause callbacks. A tankless unit demands 140,000 to 199,000...
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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,...
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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....
