Coates Heater 1-Stage Sequencer (21005501) mundial Skimmer weirs help regulate water

Skimmer weirs help regulate water entry into the skimmer throat so surface debris can be captured more consistently

2 inch FPT by 2 inch slip configuration

this hi-limit sensor helps support dependable over-temperature protection and stronger long-term heater reliability

The 350083 is a practical service part when a compatible Raypak heater needs an LP burner orifice to restore proper fuel-delivery support

Without plug

Coates Heater 1-Stage Sequencer (21005501) mundial Skimmer weirs help regulate waterA sequencer helps stage electrical operation within the heater so power is applied in the intended order, and this Coates 1 stage sequencer is designed for compatible heater applications where the original control component has failed or become unreliable. When the staging side of the heater stops functioning correctly, the unit can lose the smooth, controlled operation it depends on. The 1 stage design gives this part practical value because