Pay in 4 interest-free payments of $44.33 Learn more
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
The Johnson Controls T-4000-2139 is a professional-grade horizontal thermostat cover designed specifically for the T-4000 Series pneumatic room thermostats
As a pre-wired relay
The Rheem-Ruud SP12049C Pilot/Cable Assembly is a critical OEM replacement part engineered for precise ignition and flame sensing in high-efficiency gas-fired water heaters
This OEM Raypak relay addresses these issues with high-cycle durability and low-resistance conductivity to maintain HVAC system performance under demanding thermal loads
Is the gas pressure adjustable on this model
Maxitrol SC30 Signal Conditioner Refrigerant The Johnson Controls T-4000-2139 isThe Maxitrol SC30 Signal Conditioner is a specialized interface module designed for indirect fired gas applications utilizing 2 speed inducers and 2 stage gas valves. Effectively bridging 0 10VDC BMS signals to the 0 20VDC output required by Maxitrol Selectra M MR series gas valves, the SC30 ensures linear modulation and precise system coordination. This track mounted controller features an integrated N. O. relay for inducer speed switching and gas
US$ 2999.50
US$ 5995.00
US$ 1975.00
US$ 3595.00
US$ 80.00
US$ 54.00
US$ 38.00
