What Is a Float Switch?
A float switch is a safety device installed in HVAC systems to monitor water levels in the drain pan of the air handler. It’s designed to prevent water damage by shutting off the system if water levels rise too high, typically due to a clogged drain line. Positioned near the drain pan, the float switch acts as a first line of defense against potential overflow.
How Does It Work?
The float switch operates using a simple yet effective mechanism. It contains a plastic float that rests on the surface of the water.
- Normal Operation: When water flows freely through the drain line, the float remains low, and the HVAC system functions normally.
- Clogged Drain Line: If a clog forms, water accumulates in the drain pan, causing the float to rise.
- System Shutdown: Once the float reaches a critical height, it trips the switch, breaking the electrical signal and shutting off the air conditioning system. This prevents further water buildup and potential overflow.
While this mechanism is straightforward, reliance on a float switch is choosing to do extra work when the system is clogged, and continue to risk overflows if the switch fails.
Why Choose iFLO Over a Float Switch?
Although float switches are a standard safety feature, iFLO offers a more comprehensive and reliable solution for protecting your HVAC system and home. Here’s why iFLO stands out:
1. Float switches aren’t required everywhere.
Not all states mandate float switches on air handlers. For instance:
- In states like Florida, where high humidity and frequent drain line clogs are common, float switches are often required by building codes.
- However, most other states have not implemented similar regulations, leaving homeowners vulnerable to water damage caused by drain line clogs.
This gap in regulation means that a majority of HVAC systems in the United States operate without even a basic safeguard.
2. Float switches are prone to failure.
Even when a float switch is professionally installed, it’s not guaranteed to work perfectly every time. Common issues include:
- Manufacturer Defects: A faulty float switch may fail to trip when water levels rise.
- Stuck Float: If the water in the drain pan begins to grow bacteria, there is a high chance it will grow into the casing and stick down the float, making it unable to rise and trip.
- Wear and Tear: Over time, components of the float switch can degrade, reducing its effectiveness.
These vulnerabilities make float switches an inconsistent solution for preventing water damage.
3. Overflow risks are significant.
The average air conditioning unit produces approximately 1.5 gallons (6 quarts) of condensate water per hour. Most air handler drain pans can only hold about 3 quarts of water before overflowing.
- If a clog forms and the float switch fails to activate, the system could overflow in as little as 15 minutes.
- This rapid overflow can lead to extensive water damage, including:
- Stained ceilings and walls.
- Damaged flooring or carpets.
- Mold growth, which poses health risks and requires costly remediation.
How Does iFLO Outperform a Float Switch?
iFLO goes beyond just monitoring water levels—it prevents clogs from forming in the first place.
iFLO’s Enzyme Technology:
The secret behind iFLO’s effectiveness lies in its specially formulated enzymes. These enzymes target and break down HVACteria (zooglea bacteria, dust, soil and other germs), the primary culprit behind most HVAC drain line clogs.
- Proactive Protection: Once introduced into the condensate water, iFLO’s enzymes actively prevent bacteria and organic buildup from forming in the drain line.
- Uninterrupted Flow: By keeping the drain line clear, iFLO ensures water flows freely, eliminating the conditions that would trigger a float switch or cause the drain pan to overflow.
Added Benefits of iFLO:
- Enhanced Reliability: With iFLO maintaining a clear drain line, your HVAC system operates more efficiently, reducing the risk of unexpected shutdowns.
- Comprehensive Coverage: While the float switch remains in place as a backup for rare issues (like clogs caused by insects or debris), iFLO minimizes the likelihood of these problems occurring.
- Cost Savings: By preventing clogs and overflows, iFLO helps avoid expensive repairs, water damage, and mold remediation.
Why iFLO Is the Smarter Choice
While float switches provide a reactive solution, iFLO offers proactive protection, ensuring your HVAC system runs smoothly and safely. With its advanced enzyme technology, iFLO tackles the root cause of clogs, giving you peace of mind and safeguarding your home against water damage.
Don’t rely on chance—choose iFLO for unmatched protection and reliability
Maximize Protection With iFLO