Make Trades Great Again Why does Eric hate zone pumps? Mixing valves, water heaters and more.
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Jan 28, 2025 This episode dives deep into listener inquiries, featuring clarifications on indirect water heaters and their critical components. The hosts tackle inconsistencies in glycol products and advocate for standardization in the industry. They also discuss challenges with heating equipment, including zone circulator pumps, and the risks linked to older technology. With a focus on plumbing safety, they reveal the advantages of modern mixing valves and best practices for installation, especially in high-risk environments like gyms and hospitals.
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Zone Circulator Confusion
- A listener asked why the hosts hate Taco Zone circulators.
- They clarified they dislike the 007ZF model with built-in relays, not all Taco products.
Avoid 007ZF Circulators
- Avoid Taco 007ZF circulators due to intermittent problems and difficulty diagnosing them.
- These circulators have a cold joint issue on the circuit board and overheat, leading to failures.
007ZF's Niche
- 007ZF pumps addressed a need before modern hydronic system design.
- They allowed adding zones without extra controls or using water heaters without integrated switching.