Suburban Water Heater ST-42 Control Board (521338) Includes Outer Case

New Surplus came off damaged water heaters

This is the old version

Upgrade your Suburban Water Heater with the ST-42 Control Board (521338) that includes an outer case for added protection. Trust Forbes RV Surplus for quality RV parts. Suburban Water Heater ST-42 Control Board (521338) Control board for model number ST-42 on demand water heater Replaces part number 233725 Kit includes board and outer protective case