the 46K18 is identical to the 46K1801

N/O Design: Engineered for normally open operation

the Bard HVAC 8402-128BX Limit Switch is a high-reliability L220F 1shot limit switch engineered for forced-air heating and air handling units

This specific Fenwal 35-65 series model is configured for no pre-purge (0 seconds) operation with a 4-second Trial for Ignition (TFI) and a 3-try ignition sequence to ensure reliable startup in demanding environments

Danfoss 067N3152 Expansion Valve 340155-7026 the 46K18 is identical toThe Danfoss 067N3152 is a professional grade TGEL 10 thermostatic expansion valve engineered for high pressure R410A refrigerant applications, specifically within 4. 5 ton HVAC systems. Featuring a balanced port design, this externally equalized TXV ensures stable superheat control across varying head pressures, making it an ideal choice for both air conditioning and heat pump units. The valve operates with a straight body configuration, utilizing 1 2