Honeywell ST7800A1005 Pre-Purge Timer
$136.00
$325.00
Description
Overview
The Honeywell ST7800A1005 is a reliable pre-purge timer for the 7800 Series burner control relay modules. It ensures safe startup by providing a fixed pre-purge interval, clearing residual gases before ignition. This design improves combustion system safety and maintains compliance with burner startup standards. The module installs easily with a plug-in configuration and mechanical interlock, offering secure integration in demanding environments.
Technical Specifications
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Model: ST7800A1005
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Function: Pre-purge timer for 7800 Series relay modules
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Timing Interval: Fixed at 2 seconds
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Compatibility: Honeywell 7800 Series (excluding RM7838C)
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Installation: Plug-in module with mechanical interlock
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Certifications: UL Recognized (File No. MP268), CSA Certified (File No. LR95329-3), FM Approved
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Power Supply: 120 VAC, 50/60 Hz
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Flame Safeguard System: Microprocessor-based
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Flame Failure Response Time: 1 second or less
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Pilot Ignition: Intermittent or interrupted pilot
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Purge Timing: Defined by application and setup
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Ambient Temperature Range: -40°F to +140°F (-40°C to +60°C)
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Safety Features: Electrical shock and fire hazard warnings with verified safety requirements during installation
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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