while the 1/4-20" threaded shaft and pad/bracket mounting provide seamless integration into existing 51-frame setups

This 100% shut-off safety valve is compatible with both natural gas and liquid propane (LP)

Designed specifically for 120V/60Hz single-phase systems

the Maxitrol R400S-3/8 can be used with a vent limiter

Carrier HH83XB537 Circuit Breaker 321042-401 while the 1/4-20" threaded shaftThe Carrier HH83XB537 Circuit Breaker is a heavy duty, field proven electrical safety component specifically engineered for high voltage Carrier, Bryant, and Payne rooftop units. As an Airpax manufactured 219 series magnetic circuit protector, this 480V HVAC circuit breaker provides critical overcurrent and short circuit protection for complex motor loads and heater accessories. Featuring a 14. 6 Amp continuous rating and a precise 16. 8 Amp trip