Rugged Shaft Design: The 5/8" x 1 7/8" keyed shaft is ideal for heavy-duty belt drive blower motor pulleys

Whether you are performing a scheduled overhaul or addressing a cracked housing on a Watts BKF55B

Key Benefits Provides a stable inducer motor support platform to minimize harmonic vibration and mechanical noise

preventing nuisance trips and flame sense errors

Enhanced Protection: Effectively prevents scaling and metal oxidation within sensitive cooling loops

Modine 3H0342790003 Rear Casing 318423-701 Rugged Shaft Design: The 5/8"When you're out in the field on a commercial or industrial job, you know that keeping a unit's structural integrity intact is key to performance and safety. The Modine 3H0342790003 Rear Casing is the specified OEM replacement part for maintaining the structural housing of Modine unit heaters. This heavy duty heater cabinet component is engineered to withstand the thermal stress and high operating temperatures typical of gas fired and hydronic systems.