Accardi Companies
P-K HiDRA™ Water Heater: Endless Hot Water with Unmatched Efficiency
Discover how the P-K HiDRA™ water heater delivers 99% efficiency and continuous hot water for hospitals, hotels, and schools.
Powerful Hot Water. Compact Footprint.
The P-K HiDRA™ direct-fired water heater is ideal for buildings with constant hot water demand. Hospitals, universities, and hotels benefit from its compact design, fitting into spaces where traditional systems can't.
Endless Supply, Lower Cost
With up to 99% thermal efficiency and rapid recovery, HiDRA™ provides a continuous flow of hot water with minimal fuel usage, translating into lower operating costs and increased user satisfaction.


Engineered for High-Demand Applications
Designed for direct venting and flexible installation, HiDRA™ excels in high-traffic facilities. Durable components and intelligent control systems ensure reliable operation, even during peak loads.
Faster Installs, Fewer Headaches
Plug-and-play configurations and minimal venting requirements reduce installation time and labor, getting your system online faster with less disruption.
Start Saving with the P-K HiDRA™
Whether replacing outdated systems or designing new infrastructure, HiDRA™ delivers unmatched performance and energy savings.
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Product Resources
Customers Testimonials
The HiDRA™ provides consistent hot water supply, even during peak demand. It's been a game-changer for our operations.
Linda M.
Operations Manager
Installation was quick, and the unit's efficiency has exceeded our expectations.
Tom S.
Mechanical Engineer
The NURO® controls make monitoring and adjustments seamless. Highly satisfied with the performance.
Rachel K.
Maintenance Supervisor
Let’s Find the Right HiDRA™ Model for Your Project
Our team is here to help you choose, size, and implement the ideal HiDRA™ model for your project—start the conversation today. Request a FREE spec review, schedule a virtual walkthrough or talk to one of our HiDRA™ experts now.