Laars Heating Systems FT2073 Pump 318423-701 25" WC to prevent furnace

25" WC to prevent furnace ignition under hazardous venting conditions or restricted heat exchangers

a suction line filter drier like the KH45LG141 is typically reserved for protecting the compressor directly after a burnout or when significant debris is suspected in the lineset

preventing cross-contamination even in the event of bellows fatigue

It operates on a standard 120V electrical supply

igniter warm-up

Laars Heating Systems FT2073 Pump 318423-701 25" WC to prevent furnaceThe Laars FT2073 Circulator Pump is a critical 115V OEM replacement pump engineered for peak performance in residential and commercial hydronic heating systems. Specifically designed as the direct replacement for FT1222 and FT1798 models, this 1 2" NPT pump assembly ensures consistent fluid velocity and pressure stability within the primary boiler loop. Built to the rigorous standards of Laars Heating Systems, the FT2073 features a high efficiency