Description
The Raypak 007374F is a genuine OEM Hot Surface Ignition (HSI) Module designed as a direct replacement for Raypak heating equipment. Carrying the OEM part reference 35-673902-561, this 24V module provides dependable ignition control to keep your Raypak boiler or pool heater operating safely and efficiently.
Product Overview
Hot surface ignition modules are a critical component in modern gas-fired heating systems, replacing standing pilot assemblies with a more energy-efficient and reliable electronic ignition sequence. The Raypak 007374F manages the ignition timing and safety lockout functions to protect both the equipment and the end user.
Key Features
- Genuine Raypak OEM replacement part — ensures proper fit and function
- OEM cross-reference: 35-673902-561
- 24V operating voltage for compatibility with standard low-voltage control circuits
- Hot surface ignition (HSI) technology for reliable, pilot-free ignition
- Designed for use in Raypak boilers and pool/spa heaters
- Provides ignition sequencing and safety lockout protection
- Direct drop-in replacement to minimize downtime during service calls
Application
This HSI module is intended for use in Raypak heating systems that utilize hot surface ignition. Always verify compatibility with the specific Raypak model being serviced before installation. Consult the equipment’s service manual for wiring diagrams and installation instructions.







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