Product Information
Transformer 120V
Compatible with 8 equipment models
- GB142-24 Buderus GB142-24 Wall Boiler
- GB142-30 Buderus GB142-30 Wall Boiler
- GB142-45 Buderus GB142-45 Wall Boiler
- GB142-60 Buderus GB142-60 Wall Boiler
- GB162-100 Buderus GB162-100 Wall Boiler
- GB162-100 L.B. Buderus GB162-100 L.B. Wall Boiler
- GB162-80 Buderus GB162-80 Wall Boiler
- GB162-80 L.B. Buderus GB162-80 L.B.Wall Boiler
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Fast Shipping
In-stock orders ship within 1 business day to anywhere in Canada.
Code-Compliant
All products meet Canadian HVAC and gas code standards.
Wholesale Pricing
Trade pricing for licensed contractors. 40+ years in the industry.
Bosch Transformer 120V (Part No. 78191) is a factory replacement transformer specified for Bosch heating, cooling and water‑heater equipment as a service part. Designed to accept standard 120V mains and provide the low‑voltage control supply commonly required on Bosch control boards (typically 24VAC), this part is intended for field service, control‑panel replacement and OEM repairs to restore reliable control operation. (bosch-homecomfort.com)
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