The Raypak 006535F replacement detects when the pool furnace burner ignites and communicates with the control board to allow the burner to stay lit. One sensor and one plug item is included. 

Specifications: 

• Brand: Raypak
• Model Number: 006535F
• Pack Size: 1

Compatible Models:

The Raypak 006535F is the correct replacement for the following pool heaters:

• Delta Limited
• Hi-Delta
• Raytherm