AMERICAN STANDARD Transformer 50315073353

AMERICAN STANDARD Transformer 50315073353

Keep your American Standard water heater running reliably with the genuine OEM Transformer, Part # 50315073353 — a direct-fit replacement component engineered for American Standard commercial and residential tankless gas water heaters.

Product Overview

The American Standard 50315073353 is a factory-authorized Transformer designed for use in American Standard tankless and storage water heater systems. This part also replaces legacy part number 32018, making it a versatile cross-compatible solution for older and current unit configurations. The transformer steps down voltage to power critical control components including ignition modules, thermostat boards, and sensor circuits — making it an essential part of your water heater’s electrical control system.

Compatible Models

This transformer is a listed replacement part for American Standard tankless natural gas and propane heater models including the D-80 and D-100 series (AS, AS-LP, ASME configurations), as well as other models in the G, GN, GR, GS, and GSN series. Always verify compatibility using the model number on your unit’s nameplate before ordering.

Key Features & Benefits

• Genuine OEM Part — factory-authorized component ensures proper fit, function, and voltage compatibility
• Direct Drop-In Replacement — no modification required; designed to install quickly with minimal downtime
• Critical Control Component — powers the ignition module, thermostat board, and sensor circuits that regulate your water heater
• Cross-Reference Compatible — replaces legacy part number 32018
• Warranty Compatible — using genuine American Standard parts helps maintain your unit’s warranty coverage
• Trusted Brand — American Standard parts are trusted by licensed plumbers, HVAC technicians, and experienced DIYers

Installation Notes

• Turn off electrical power and gas supply before beginning any repair
• Locate the transformer assembly in the water heater’s control compartment
• Disconnect the wiring harness and remove the existing transformer
• Install the new transformer, reconnect all wiring, and restore power and gas
• Test unit operation per the manufacturer’s instructions

For best results, consult your water heater’s model-specific service manual or contact a licensed plumber or HVAC technician.

Part Number: 50315073353
Replaces: 32018
Brand: American Standard
Category: Water Heater Replacement Parts / Electrical & Control Components
Also Known As: Step-Down Transformer, Control Transformer, Water Heater Voltage Transformer, Ignition Control Power Transformer