the HH core is specifically designed to handle the aggressive solvent properties of Polyolester (POE) oils and the organic acids generated during oil breakdown

Key Benefits Precise Compatibility: Fits Raypak 315A

these are interchangeable part numbers for the same Lennox OEM temperature sensor assembly used across various commercial and residential platforms

308196-751

For technicians performing a Robertshaw 5300-040 installation

Lochinvar & A.O. Smith 100111539 Controller 319848-301 the HH core is specificallyThe Lochinvar & A. O. Smith 100111539 Controller is the current, direct replacement for the legacy 9006852005 model. This CCB 3 EI Temp Controller serves as the primary central control board for commercial electric water heaters, specifically engineered for 3 element configurations. Designed to manage high demand commercial water heater parts systems, this digital temperature controller provides precise modulation of heating cycles and integrated