Pentair MasterTemp 250 Air Orifice Kit (460745) airblowers Replacement front header for compatible

Replacement front header for compatible Hayward H-Series Low NOx heaters

and this mini saw is a smart choice for service trucks and repair benches

or missing side panels

while the Ultima platform preserves the original pump-family match

Designed to hold 10 tablets

Pentair MasterTemp 250 Air Orifice Kit (460745) airblowers Replacement front header for compatibleBuilt for the application shown, this MasterTemp 250 Air Orifice Kit supports a cleaner, more reliable repair when the existing component is cracked, worn, heat damaged, or no longer operating correctly. It is used in the heater combustion system to help meter the air path for the correct burner configuration. Because orifice sizing affects how the heater breathes and fires, this is a precision replacement part rather than a generic fitting. Always