Zoeller Z CONTROL® APAK® INDOOR ALARM WITH REED SENSOR
The Indoor Z-Control APak® Alarm System provides an audible and visual warning in the event of high liquid in pump basin. The system comes with a 15′ reed sensor-style float switch and 6′ power cord.
RODUCT DETAILS
Indoor APak® Alarm System with Z-Control monitors liquid in sump pits, pump chambers, holding tanks, and other water systems. The small size of the reed sensor switch makes it ideal for the compact basin typical in basement sump applications. Our APak alarm will provide an audible and visual warning if the water level presents the danger of overflow. This early warning gives you time to act and protect your property from flooding.
The APak alarm is powered by a 115 V electrical circuit or two AA batteries so it functions even in the event of a power outage. During standard operation, a green light indicates that the power is on. A chirping noise will indicate a low battery condition.
A red light will illuminate and an 80 dB buzzer will sound notifying you of a high-water condition. The APak also includes a Silence/Reset/Test button allowing you to manually initiate certain functions.
The addition of the Z-Control feature on this alarm allows the device to notify you of designated water levels via free text, email, or push alerts. For example, when the water level rises in the pump’s vicinity, the device sends an early notification to the owner. An account with an app and web interface offers a user-friendly experience. The cloud-based app makes it an easy and convenient way to check your water levels at all times.
These indoor alarms have a compact design and are simple to install on the basement wall. With an APak® Alarm and Z-Control in place, you can have peace of mind knowing that you’ll be alerted of any high-water conditions no matter where you are.
FEATURES AND BENEFITS
- Green POWER light and Red INPUT light
- 115 V indoor APak alarm with 6' of power cord
- Simple to install on the wall near the sump pit or pump tank
- Audible buzzer rated at 80 decibels at 10’ that notifies you of a high water condition and Wi-Fi enabled so you receive text alerts even when you aren't home
- Silence/Reset/Test button that allows you to initiate key functions and WiFi enabled so you can do the same even when you aren't home
- Battery backup power is supplied by two AA batteries, which are not included and must be purchased separately
- 5-year limited warranty giving you extra protection and more peace of mind right out of the box
PRODUCT SPECIFICATIONS
Shipping Weight:
.5 lbs
Shipping Dimensions:
Height 8 in x Width 5 in x Length 8 in.
Enclosure:
NEMA 1
Power:
115V, 60 Hz receptacle, battery power is supplied by 2 AA batteries 6' (2 m) power cord
Sensor:
Reed
Founded in the family basement in 1939, Zoeller Pump Company is one of the oldest family-owned water pump manufacturers in North America. Headquartered in Louisville, KY, we proudly excel with fourth-generation leadership and an expanding workforce.
Over the past seven decades, Zoeller Pump Company has established itself as a dependable leader in the wastewater industry. Through continuous research and development, we are always improving our products and processes to provide the highest possible quality to our loyal customers and end users.
This dependability is backed by a family commitment to add value for our customers and provide genuine support before, during, and after a sale.
Why Sump Pump Alarms Matter — And Why Z-Control Adds an Extra Layer of Protection
The Problem: Silent Sump Pump Failures
A sump pump can fail without warning — due to a power outage, a stuck float switch, motor burnout, or a clogged discharge line. Without an alarm, the first sign of trouble is often water on your basement floor. By the time that happens, you may already be facing costly water damage, mold growth, and ruined belongings.
How the APak with Z-Control Solves This
The APak alarm's reed sensor float switch detects rising water in the sump basin well before it reaches the top — giving you an early warning instead of an emergency discovery. What sets this model apart from a basic local alarm is the Z-Control smart monitoring feature, which extends that warning beyond your basement walls:
- Remote notifications — receive a text, email, or push alert the moment water levels rise, whether you're at work, on vacation, or asleep upstairs
- Cloud-based dashboard — check your sump pit status anytime from a phone or computer, not just when you happen to walk by the alarm
- Dual power redundancy — runs on your home's 115V circuit with AA battery backup, so it keeps working even during a power outage (a common trigger for sump pump failures in the first place)
Who Should Install This Alarm
- Homeowners who travel frequently or spend extended time away from home
- Anyone with a finished basement where water damage would be especially costly
- Homes in areas prone to heavy rainfall or high water tables
- As a companion to any primary sump pump — including battery backup systems like the Zoeller Aquanot Fit 12V/DC Backup System or Zoeller ProPack combination systems
How It Works, Step by Step
- The reed sensor float switch is mounted inside the sump pit alongside your existing pump
- Under normal conditions, the alarm's green light confirms the system is powered and monitoring
- If water rises to a pre-set high-water level, the red light activates and an 80 dB buzzer sounds — loud enough to be heard throughout most homes
- Simultaneously, the Z-Control feature sends a remote alert to your phone or email via the app
- The Silence/Reset/Test button lets you acknowledge the alert, silence the buzzer, or manually test the system at any time
- A chirping tone separately signals a low battery, so backup power is never a silent point of failure
Installation Tips
Because the alarm mounts on the wall near the sump pit and plugs into a standard 115V outlet, installation is straightforward — but proper float switch placement is critical to avoid false alarms or delayed warnings. Our licensed technicians can:
- Position the reed sensor at the optimal height for your specific basin size
- Verify the alarm is wired to a dedicated, non-switched outlet (so it can't accidentally be turned off)
- Set up and test the Z-Control app connection before leaving your home
- Integrate the alarm with an existing or new sump pump / battery backup system
Frequently Asked Questions
Does the alarm require Wi-Fi to send remote alerts?
Yes, the Z-Control feature needs a home Wi-Fi connection to send app, text, or email notifications. The local audible/visual alarm still functions without Wi-Fi.
What happens if the power goes out?
The two AA batteries (sold separately) keep the alarm — including local audible warning — running during outages. A low-battery chirp will alert you if they need replacing.
Can this replace a battery backup sump pump?
No — the APak is a monitoring and alert device, not a pump. It's best used alongside a primary pump, and ideally alongside a battery backup pump such as the Zoeller Aquanot systems, for complete flood protection.
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