Resideo WT8840A1000 Burner Controller
Technical specs, application notes, replacement checks, and related model references.
Product Overview
The Resideo WT8840A1000 is a high-performance commercial water heater control valve, integrating highly accurate temperature regulation, an advanced gas control mechanism, and an LED status indicator. Designed as a direct replacement for traditional mechanical gas valves, it utilizes a thermopile-powered microcomputer for tighter temperature differentials and enhanced safety. It is the authoritative choice for maintaining precise commercial hot water supply while ensuring rigorous safety compliance.
Recorded catalog values are provided for comparison. Verify the complete model suffix and document revision before use.
Catalog Specifications
Gas Type
Natural Gas or LP (Configuration Dependent)
Capacity
Up to 100,000 BTU/hr (Typical)
Power Source
Thermopile (No external power required)
Temperature Range
Adjustable up to 160°F (71°C)
Connection Size
1/2 inch NPT
Selection Notes & Data Verification
The WT8840A1000 page is structured for engineering comparison: confirm the product type, firing range, fuel type, operating mode, electrical supply, and safety approvals against the manufacturer datasheet before specifying the burner or component.
Burner.wiki normalizes product data for discovery and comparison, but final selection should account for combustion chamber backpressure, local emission limits, control sequence requirements, and site commissioning conditions.
Application Checks
Related Models
Related Knowledge
FAQ
What is Resideo WT8840A1000 used for?
Resideo WT8840A1000 is referenced as a burner controller for industrial combustion systems. Verify the exact application against the burner documentation, control cabinet wiring, and manufacturer datasheet.
Can WT8840A1000 replace another model?
Replacement depends on voltage, safety timing, wiring terminals, flame supervision method, mechanical fit, and local combustion safety requirements.
What should be checked before installing WT8840A1000?
Check supply voltage, burner sequence, fuel type, pressure or capacity range, detector compatibility, safety loop configuration, and the equipment nameplate before commissioning.
Documentation Note
Technical documentation should be verified against the manufacturer datasheet, burner cabinet wiring diagram, and equipment nameplate before installation or replacement.
- Check supply voltage and frequency.
- Confirm terminal layout and safety interlocks.
- Verify flame detector or actuator compatibility.
Plan Your Selection
Use the selection guide to organize model, operating condition, and documentation checks.
Selection Guide