7610B BECKETT AQUASMART 7610 – 24V UNIT PACK (Less Sensor)
Replacement for Buderus 8718588223
120V Input / 24VAC Burner Output – Control for Buderus boilers & compatible hydronic systems
The Beckett AquaSmart 7610B (24V unit pack) is an advanced microprocessor-based boiler control designed for residential and light commercial hydronic heating systems. It uses Beckett’s HeatManager technology to reduce fuel consumption by up to 20%, while maintaining reliable limit protection and flexible setup options for technicians.
This model is supplied less sensor and is compatible with the AquaSmart 7600TS (temperature-only sensor) and 7600P (temperature sensor + LWCO).
🧩 Tech Specs Chart
| Category | Details |
|---|
| Part Number |
7610B1003U |
| Model |
7610B |
| Replaces |
Buderus 8718588223 |
| Control Type |
AquaSmart 7610B (24V unit pack – less sensor) |
| Input Voltage |
120 VAC, 60 Hz |
| Burner Circuit Output |
24 VAC |
| Input Current |
0.1 A + B1 + C1 + ZC |
| Max Input Current |
20A (reduce to 15A if optional power switch used) |
| Thermostat Anticipator Current |
0.1A at 24 VAC |
| High Limit Range |
100–220°F (37–104°C) |
| High Limit Differential |
5–45°F (2–25°C) |
| Low Limit Range |
100–205°F (37–96°C) |
| Low Limit Differential |
10–45°F (5–25°C) |
| Storage Temperature |
-40 to +150°F (-40 to +65°C) |
| Operating Temperature |
-4 to +150°F (-20 to +65°C) |
| Humidity Rating |
5–85% RH, non-condensing |
| Compatible Sensors |
7600TS (Temperature), 7600P (Temp + LWCO) |
| Reset Method |
Hold ENTER (RESET) 5 seconds after safe condition restored |
| Features |
Backlit LCD, programmable limits, HeatManager energy saving, system history |
🚨 Symptoms of a Failing or Faulty AquaSmart 7610B
⚠️ System Symptoms
-
Boiler will not fire or cycles inconsistently
-
No response from burner despite thermostat call
-
Boiler locks out frequently
-
Circulator pump not activating or staying on too long
-
Boiler overheating or failing to reach set temperature
⚠️ Control-Related Symptoms
-
LCD display blank, flickering, or unreadable
-
Unresponsive keypad or inability to change settings
-
Incorrect or drifting temperature readings
-
Random resets or fault codes
-
HeatManager function not engaging
⚠️ Sensor-Related Symptoms (if paired with 7600TS or 7600P)
If any of these occur, replacing the 7610B control (or the sensor) often resolves the issue.
❓ FAQ – Frequently Asked Questions
Q: Is this the correct replacement for Buderus 8718588223?
A: Yes. The 7610B1003U (model 7610B) is the direct replacement.
Q: Does this model include the temperature sensor?
A: No—this is the “less sensor” version. Use 7600TS or 7600P.
Q: Will this work with gas and oil boilers?
A: This 24V burner output version is designed for gas-fired equipment. Some 24V oil systems may be compatible—verify your system.
Q: How do you reset the AquaSmart after lockout?
A: Hold ENTER (RESET) for 5 seconds once safe conditions are restored.
Q: Can it save energy?
A: Yes—Beckett HeatManager technology can reduce fuel use up to 20%.
Q: Does it support outdoor temperature reset?
A: Yes, via optional Wireless Outdoor Temperature Reset.
🛒 Shopping Tips
-
✔ Choose this model (7610B 24V control) if you need it without the sensor
-
✔ Confirm your system uses temperature-only (7600TS) or LWCO combination (7600P) sensors
-
✔ If your LCD display is dead or the boiler short cycles, replacing the control usually fixes the issue
-
✔ Ideal for Buderus boilers requiring part 8718588223
-
✔ HeatManager reduces fuel consumption—upgrade for energy savings
-
✔ Expanded wiring box allows easier installation
-
✔ Recommended for energy-conscious homeowners and technicians replacing outdated aquastats
