RectorSeal AquaGuard® 3150E Condensate Overflow Sensor with Time Delay

Protect your HVAC equipment from costly water damage with the RectorSeal AquaGuard® 3150E Condensate Overflow Sensor. Designed specifically for primary drain pan applications, this advanced overflow protection device uses electronic water sensing technology to detect rising condensate levels before overflow occurs.

Featuring an integrated time-delay function, plenum-rated construction, and a bonus secondary sensor, the AquaGuard 3150E provides reliable condensate monitoring while minimizing nuisance trips. Its compact waterproof design allows for flexible installation in both horizontal and vertical configurations, making it ideal for residential and commercial HVAC systems.

Key Features & Benefits

• Built-In Time Delay Protection – Helps prevent nuisance shutdowns caused by temporary moisture conditions.
• Primary Drain Pan Monitoring – Detects rising condensate levels before overflow and water damage occur.
• Bonus Secondary Sensor Included – Provides an additional layer of condensate overflow protection.
• Water Detection LED Indicator – Offers visual confirmation when moisture is detected.
• Plenum-Rated Components – Suitable for HVAC plenum applications and code-compliant installations.
• Compact Waterproof Design – Built to withstand demanding HVAC environments.
• Horizontal or Vertical Installation – Flexible mounting options simplify installation.
• UL 508 Approved – Certified to recognized HVAC safety standards.
• Prevents Costly Water Damage – Helps protect ceilings, drywall, insulation, flooring, and HVAC equipment.

Reliable HVAC Overflow Protection

Condensate drain line blockages, algae buildup, and restricted drainage can quickly lead to water damage and expensive repairs. The AquaGuard 3150E continuously monitors condensate levels and responds when water reaches unsafe conditions.

The included secondary sensor expands protection capabilities while the integrated time-delay feature reduces unnecessary equipment shutdowns caused by temporary moisture fluctuations.

Product Specifications

Brand	RectorSeal
Series	AquaGuard®
Model Number	3150E
Product Type	Electronic Condensate Overflow Sensor
Application	Primary Drain Pan Monitoring
Time Delay	Integrated Delay Function
Primary Sensor	Plenum-Rated Water Detection Sensor
Secondary Sensor	Included
Status Indicator	Water Detection LED
Installation Orientation	Horizontal or Vertical
Housing Design	Compact Waterproof Construction
Plenum Rated	Yes
Certification	UL 508 Approved

Common Applications

• Primary Drain Pan Protection
• Air Handler Installations
• Evaporator Coil Systems
• Attic HVAC Systems
• Residential HVAC Equipment
• Commercial HVAC Installations
• Condensate Overflow Prevention
• Water Damage Protection Systems

Benefits for Contractors & Property Owners

Feature	Benefit
Time Delay Function	Reduces nuisance trips and false shutdowns
Secondary Sensor Included	Adds an extra layer of overflow protection
LED Water Detection	Provides quick visual system status
Plenum-Rated Design	Suitable for code-compliant HVAC installations
Flexible Mounting	Installs horizontally or vertically as needed

Buy with Confidence from MRCOOL DIY Direct

MRCOOL DIY Direct supplies professional-grade HVAC safety controls, condensate management products, and overflow protection devices trusted by contractors and homeowners nationwide. Order the RectorSeal AquaGuard 3150E Condensate Overflow Sensor today and help protect your HVAC system from costly condensate-related water damage.