Resideo - Honeywell Home DB7110U1000 Defrost Control BoardDB7110U1000 is a universal heat pump defrost control board that delivers dependable performance for residential HVAC systems. This replacement part from Resideo Honeywell Home optimizes defrost cycles, preventing ice buildup and improving overall efficiency. Universal compatibility: Works with a wide range of heat pump models to simplify replacements and stocking. Efficient defrost management: Precisely coordinates defrost cycles to minimize energy

Durable construction using high-quality materials for long-term reliability

This sail switch is suitable for use in air cleaners

Construction: Rugged

it meets OEM specifications and performance expectations for supported models

Size: 16" x 20" for easy fit in standard HVAC housings

This floating-point

The valve handles hot water media up to 200°F

ensuring compatibility with common Lennox control boards and safety circuits

Compatible with a range of burner models

water purification

Compatible with standard control sequences and safety interlocks

Includes: Water feed tube for straightforward installation