This gas water heater part is direct-fit

Key Benefits Broad Compatibility: Serves as a direct millivolt system replacement for Robertshaw TP-75 and competitive 2-lead models

the D9863901 is built to withstand the thermal cycling and mechanical vibrations common in residential heating applications

and pump control systems where reliability is non-negotiable

providing localized protection against airflow restrictions or component failure

Copeland 918-0052-01 Crankcase Heater Els PW 17895 This gas water heater partThe Copeland 918 0052 01 Crankcase Heater is a critical genuine OEM replacement component engineered to maintain compressor reliability in low ambient conditions. This 120V 40W belt type heater provides consistent thermal energy to the compressor sumps, specifically designed to prevent refrigerant migration during off cycles. By maintaining the oil at a temperature higher than the coldest part of the system, this heater mitigates oil dilution and