sixcow 013640F LCD Display Control Board Replacement for Raypak Gas Heaters — Two‑Line 16‑Char LCD, Improved Flame Sensing

013640F is a direct-fit replacement LCD display/control board that restores digital readout, diagnostics, and flame sensing to compatible Raypak gas heater models.

If your Raypak gas heater shows blank or incorrect temperature readouts, intermittent ignition feedback, or confusing error behavior, the sixcow 013640F LCD Display Board (Pool Stat-Kit) replaces the original control panel and brings clearer diagnostics and improved flame sensing. Designed for Raypak models built between late 2003 and after November 2004 — including 185B, 265B, 335B, 405B and later series 206A–407A — this replacement board matches the original mounting and wiring while upgrading the display and monitoring features.

How will this board improve my heater’s diagnostics and troubleshooting?

The 013640F offers a two-line, 16-character LCD that shows plain-text diagnostics so you can read error codes and status messages without guesswork. It also includes a service menu and a graphical flame signal indicator to simplify fault finding and reduce unnecessary part swaps.

• Plain-text status and error messages for faster diagnosis
• Graphical flame-signal strength indicator to verify ignition
• Internal fuse and monitoring of the 24V supply for clearer electrical feedback
• Service menu to walk technicians through troubleshooting steps

Will this replace my existing board and wiring directly?

Yes — the sixcow 013640F is built to fit the same circuit locations and connectors used on the factory boards it replaces (fits circuit board 013464F, part numbers 100-10000345, 601944). It works with both original and updated wiring harnesses, and comes with installation guidance to ease the swap.

• Direct-fit mounting and connector compatibility for listed Raypak models
• Compatible with original and updated wiring harnesses
• Includes a detailed installation manual to guide replacement
• Premium PCB construction for stable electrical connections

What durability and performance improvements does this replacement offer?

The board is manufactured from high-grade PCB materials and designed for improved moisture resistance, delivering more reliable operation in humid pool equipment compartments. Upgrades in flame sensing and diagnostic capability help prevent needless component replacements and improve overall heater uptime.

• Improved moisture resistance for long-term reliability
• Enhanced flame sensing to reduce false faults and repairs
• Quality components and construction for stable performance
• Backed by a 12-month warranty and a 30-day return policy

How straightforward is installation for a technician or DIYer?

Installation is straightforward for anyone familiar with pool heater control boards; the unit uses standard screw mounts and matching connectors. The included manual explains steps, necessary safety precautions, and how to access the service menu to verify operation after installation.

• Step-by-step installation manual included
• Standard mounting points and plug-and-play connectors
• Service menu helps confirm correct installation and diagnostics
• Recommended for experienced DIYers or certified technicians

Who is this for? The sixcow 013640F LCD Display Board is intended for pool professionals, service technicians, and experienced homeowners who need a reliable replacement control/display for compatible Raypak digital gas heaters. It’s ideal when the original LCD is blank, showing incorrect temperatures, or when improved diagnostic clarity and flame sensing will reduce troubleshooting time and parts costs. If you maintain Raypak models listed above and want a durable, feature-upgraded control board with warranty backing, this unit fits that need.