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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
GS2121SDEW
Bright LED digital display for clear visibility
Water Working Temperature °C: 1 to 90
GR-R491JTA
and refrigeration units
Bonaire Gas Heater Controller Board (PCB) – Suits MB4 & MB5 Units (5441212SP) Pump GS2121SDEWBonaire Gas Heater Controller Board (PCB) Suits MB4 & MB5 Units (5441212SP) Replacement controller board (PCB) for Bonaire MB4 and MB5 gas heaters. Handles ignition sequencing, fan control, safety monitoring, and system regulation. Directfit board designed for straightforward servicing on MBseries units. Features: Genuine Bonaire replacement part Blue protective case included Pre assembled wiring harness Programmable wall thermostat support Multi zone
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