Rheem Ruud SpiderFire Water Heater Burner Assembly AS42378 AS42378-2 AS42378-3

(No reviews yet) Write a Review
Calculated at Checkout
Frequently bought together:


This is a Brand New OEM Upgraded Rheem/Ruud SPIDERfire Commercial Water Heater Burner Assembly. It is rated for 250,000 BTU and requires LP gas.
Burners are designed to mix the correct amount of air and gas for proper and clean combustion. The gas is regulated at the gas valve and many burners have air adjustments on them. Newer style burner called “in-shot” burners do not have air adjustments.
Replaces Old Part #s:
AS42378 AS42378-2 AS42378-3
Repair Difficulty Level:
difficulty graph
Partial List of Units that Use This Item:
Hit Ctrl+F and enter your model number for a quick search!
View AllClose