Suburban Water Heater Low Air Flow Switch 233658

The Suburban 233658 Water Heater Low Air Flow Switch is a low air flow (pressure) switch that confirms the vent fan is moving enough combustion air. It is a genuine Suburban OEM replacement part for Suburban ST-42/ ST-60L Water Heaters.

Suburban Part Number: 233658
Part Type: Low Air Flow Switch

Fits

Suburban ST-42/ ST-60L Water Heaters

• ST42
• ST60L

Why Replace It

A failed air flow switch keeps the heater from firing and often shows an air flow fault.

Installation

Disconnect power. Note the tube and wire connections, swap the switch and reconnect everything the same way.

Estimated Installation Time

10 to 20 minutes

Tools Required

Screwdriver

FAQ

Will this fit my water heater?
It fits Suburban ST-42/ ST-60L Water Heaters. Check the model and serial number on your water heater's rating plate before ordering. If you're not sure, send us your model and serial number and we'll confirm the fit.

Do I need a technician?
No. Most owners can replace this part themselves by following the steps above. If you're not comfortable working on the water heater's electrical components, you can always hire an RV technician to come out. If you need assistance with the install, we're here for you.