For technicians performing HVAC flame sensor troubleshooting

the P200200 Williams Fan Switch is compatible with Counterflow Top Vent (3508

The Nordyne 903906 Top Element Assembly is a 15KW @ 240V OEM replacement heating element designed specifically for top-mount configurations

High Precision Sensing: The stainless steel diaphragm offers long-term resistance to fatigue and consistent setpoint accuracy

Lennox 12J36 Expansion Valve Els PW 17895 For technicians performing HVAC flameThe Lennox 12J36 is a 4 ton NXT indoor expansion valve engineered for critical refrigerant metering in high efficiency residential and light commercial evaporator coils. This thermostatic expansion valve (TXV) modulates refrigerant flow by sensing evaporator load conditions, ensuring the system maintains precise superheat levels. By reacting to real time temperature and pressure variables, the 12J36 prevents common failure points such as liquid